Câu hỏi: 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 1: Some of his favourite subjects at school are Maths, English and Geographical.

A. some

B. subjects

C. are

D. Geographical

Câu 2: 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 3: The harder he tried, the worst he danced before the large audience.

A. worst

B. the

C. before

D. tried

Câu 4: If you take the train, it would be much more convenient.

A. if

B. the train

C. would be

D. much

Câu 5: It is recommended that people to take regular exercise.

A. recommended

B. people

C. to take

D. exercise

Câu 6: A smile can be observed, described, and reliably identify, it can also be elicited and manipulated under experimental conditions.

A. identify

B. experimental

C. can also

D. A smile