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: It is recommended that people to take regular exercise.

A. recommended

B. people

C. to take

D. exercise

Câu 2: 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

Câu 3: It is very difficult for her to prevent him for smoking in her house.

A. very

B. for 

C. prevent 

D. for smoking

Câu 4: If they took their language lesson seriously, they would be able to communicate with the locals now.

A. took

B. seriously

C.  would be

D. with the locals

Câu 5: Some of his favourite subjects at school are Maths, English and Geographical.

A. some

B. subjects

C. are

D. Geographical

Câu 6: If you take the train, it would be much more convenient.

A. if

B. the train

C. would be

D. much