Fill in the Blanks

High cholesterol level is something undesirable, so the person monitors his/her food intake to keep it under control. Also, 'limit' cannot be the correct answer as there is a preposition 'in', whereas 'limit' is preceded by the preposition 'within'.

 The amount required to send a letter or parcel by post is called postage. Hence, option (3) fits best here.

 To matter means to be of some significance. Hence, 'matters' fits best here because doing is more important than just saying.

To 'extend' means to spread out to cover a wider area. Hence, option (1) fits best here. 

The reason why West Bengal is very green is because it 'receives' plenty of rainfall. Other options do not fit.

 Use of 'but rather..' marks 'lazy' as the best option.

'Conquered' means to win something by defeating someone in a war. 'Capture' here means to seize something by skill. Only option (4) fits best here.

 Ambition is the passion to succeed. So, 'passions' fits best here.

'Laid' is the second form of 'lay' which means to put something down, which is not the case here because the person is himself lying down to sleep. Only 'lay' fits here as here, it is used as the second form of 'lie' as in 'lie down'.

“Already” suggests that “has delivered” is the correct option.

As time period of activity has been mentioned, it is perfect continues tense.

Case of past in past tense. So, “had left” (past perfect) is the correct option.

“Many” is the correct determiner as “students” is countable and many is used for countable nouns. Some is used in positive sentences.

“Will” is the correct modal verb.

“Would" is the correct verb-modal.