An incubus is a male devil supposed to have sex with a sleeping woman. Broadly, incubus means a very worrying problem. In literary usages, as in the given sentence, it means a bad dream and is synonymous with incubus.

Correct Option: A

An incubus is a male devil supposed to have sex with a sleeping woman. Broadly, incubus means a very worrying problem. In literary usages, as in the given sentence, it means a bad dream and is synonymous with incubus.
The correct word is filled in the above given sentence :-
She had a terrible night caused by a(n) incubus during her sleep.

If there is congestion in a place, the place is extremely crowded and blocked with traffic or people. The problem of congestion is thus essentially a problem of space. It could be got rid of through addition of space (by developing “satellite ports”). Blockade is slightly different. It is the action that is taken to prevent goods or people from entering or leaving it. The problem here is political - blockades are the creation of strikers or political groups. And the problem could persist even at the newly-developed satellite ports.

Correct Option: D

If there is congestion in a place, the place is extremely crowded and blocked with traffic or people. The problem of congestion is thus essentially a problem of space. It could be got rid of through addition of space (by developing “satellite ports”). Blockade is slightly different. It is the action that is taken to prevent goods or people from entering or leaving it. The problem here is political - blockades are the creation of strikers or political groups. And the problem could persist even at the newly-developed satellite ports.
The correct word is filled in the above given sentence :-
congestion at the major ports has led planners to develop satellite ports near them.

As we can say that ,
The speaker is saying that his novel was a success, but that is not what he/she expected. Making a fortune means achieving a lot of success, prosperity or making lots of money.

Correct Option: D

The speaker is saying that his novel was a success, but that is not what he/she expected. Option (d) is correct, because making a fortune means achieving a lot of success, prosperity or making lots of money. So, it refers to achieving success, which is what the context is. Option (a) is wrong, because ‘days were up’ is an idiom which refers to ‘ending’ or ‘coming to an end’, this ending could be of anything, like success, happiness etc. But the author, in fact, got success, so this option is logically incorrect. Option (b) is wrong because chances are not talked about after the result and similarly, option (c) can be ruled out too.
Hence , fortune was made is required word .

The speaker is talking about how sometimes the greatest inventions are formed on or depend on simple ideas or basic thoughts. Option (b) is the correct option because it means ‘to depend on’, which fits in perfectly with the statement as then it would mean that some of the greatest inventions depend on simplistic ideas.

Correct Option: B

The speaker is talking about how sometimes the greatest inventions are formed on or depend on simple ideas or basic thoughts. Option (b) is the correct option because it means ‘to depend on’, which fits in perfectly with the statement as then it would mean that some of the greatest inventions depend on simplistic ideas.
The correct word is filled in the above given sentence :-
Sometimes the greatest inventions hinge upon an idea of startling simplicity.
Therefore , option B is correct word .

As per the above given sentence , we can say that ,
The word ‘broke down’ means collapse.
The correct word is filled in the above given sentence :-
The car we were travelling in broke down a mile from home.

Correct Option: B

As per the above given sentence , we can say that ,
The word ‘broke down’ means collapse.
The correct word is filled in the above given sentence :-
The car we were travelling in broke down a mile from home.
Hence , required word will be option B .