Fill in the Blanks

The antecedent, George and Michael, is plural, so the plural pronoun their is the correct choice.

The pronoun that agrees in number with the noun to which it refers, artichoke.

The comparison is between two things, so choice a can be ruled out. Choices b and d are incorrect forms.

The pronoun them agrees with the plural noun flowers.

The sentence requires an adverb, so a and b (adjectives) can be ruled out. Because the sentence makes no comparison, choice c is also incorrect.

The correct pronoun is who, because when it refers to the subject of the sentence we use 'who' and when we refer to the object of the sentence 'whom' is used.  

There are more than two things being compared, so choices a and c can be ruled out. Choice d is an improper form.

The possessive case is used before the word taking, because it functions like a noun in this sentence.

The sentence requires an adjective, so choice b (an adverb) can be ruled out. Since the comparison is one value over another, more terrifying is the best choice.

Use fewer with nouns that can be counted.

This is the correct answer. To indicate something is to give a sign, token or indication of. In this context, Badri made a sign that the conversation was not finished as yet. To denote something is to be a feature that shows you what something is, e.g. bad stitching denotes a poor quality carpet. This is incorrect in this context.

The preposition of is used to indicate a relationship, association, or cause. This is correct in this context because the sentence refers to being (aware) cognisant of things which escape others.

This is the correct answer as patronise is the transitive verb that indicates someone to be a regular customer of a store or business.

Sate is defined, as to fill with more than is needed, particularly with food. This is the correct answer in this context.

This is the correct answer. The preposition in indicates the position of something. In this context it is the clipped not in(side) the chief advisor's voice.