Choose the correct word for each sentence.

Here are the solutions to the questions:

9) We need to drink much water.
The word "water" is an uncountable noun. "Much" is used to quantify uncountable nouns. "A lot" would require "of" (a lot of water).
The correct option is (b) much.

10) The man spoke with an athlete at the occasion.
"Athlete" starts with a vowel sound, so the indefinite article "an" is used.
The correct option is (d) an.

11) The table was decorated with a bouquet of flowers.
A bouquet is a collection of flowers, often arranged for decoration. A "bunch" is also correct but "bouquet" is more specific for decorative arrangements.
The correct option is (b) bouquet.

12) The bunch of keys was found near the car.
A collection of keys is called a bunch.
The correct option is (a) bunch.

13) They were attacked by a swarm of bees.
A swarm is the collective noun for bees.
The correct option is (d) swarm.

14) Grace wrote her exercise neatly.
The adverb describes how Grace wrote. "Neatly" modifies the verb "wrote".
The correct option is (c) neatly.

15) They often teach us song.
The adverb describes how frequently they teach. "Often" modifies the verb "teach".
The correct option is (d) often.

16) He talked loudly in the concert.
The adverb describes how he talked. "Loudly" modifies the verb "talked".
The correct option is (c) loudly.

20) The beautiful lady is in the waiting room.
The plural form of "lady" is "ladies".
The correct option is (d) ladies.

21) The stupid girl was planning to kill two birds with one stone.
This idiom means to achieve two things with a single action.
The correct option is (a) to gain two ends at a time.

22) To smell a rat.
This idiom means to suspect that something is wrong or dishonest.
The correct option is (d) to suspect something.

23) To kick the bucket.
This idiom is a euphemism for dying.
The correct option is (c) died.

24) Catch (underlined 'ch').
The 'ch' in "catch" makes the /tʃ/ sound.
The correct option is (c) /tʃ/.

25) Chameleon (underlined 'ch').
The 'ch' in "chameleon" makes the /k/ sound.
The correct option is (b) /k/.

26) We make butter from milk.
The original sentence is in the simple present tense. The most direct passive form would be "Butter is made from milk." Since this is not an option, we look for the best interpretation. "Butter can be made from milk" expresses a general truth about the possibility of making butter from milk, which aligns with the general statement in the active voice.
The correct option is (b) butter can be made from milk.