Câu hỏi: Proteins are made up of folded irregularly chains, the links of which are amino acids.

A. made up of

B. folded irregularly

C. the links

D. which

Câu 1: Neither William or his brother stole the rambutans from our orchard.

A. or 

B. stole 

C. from

D. our orchard

Câu 2: Tom said that he was trying to carry out some campaigns to protect environment and will encourage others to do so.

A. he was trying

B. some

C. campaigns

D. will

Câu 3: Could you tell me how can I get to the city library, please?

A. Could

B. me

C. how can I

D. the

Câu 4: Folklore consists of the beliefs, customs, traditions, and telling stories that people pass from generation to generation.

A. Folklore

B. the

C. telling stories

D. generation

Câu 5: The number of students attending universities to study economics have increased steadily in the last few years.

A. of students

B. attending

C. economics

D. have

Câu 6: My father asked me where had I gone the night before.

A. the

B. asked me

C. had I

D. before