Câu hỏi: Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

D. was

Câu 1: There are some people in the government try to improve the lives of poor people.

A. to improve

B. There are

C. lives

D. try

Câu 2: I can’t go out tonight because I have too many work to do.

A. can’t

B. because

C. too many

D. to do

Câu 3: Mr. Smith, along with her cousins from Canada, are planning to attend the firework display in Da Nang, Vietnam.

A. with

B. her cousins

C. are

D. to attend

Câu 4: There are many reasons why a particular species may become endangering.

A. endangering

B. may

C. a

D. reasons why

Câu 5: He passed the exams with high scores, that made his parents happy.

A. passed

B. with

C. that 

D. happy

Câu 6: Foreign students who are doing a decision about which school to attend may not know exactly where the choices are located

A. are doing

B. about which

C. to attend

D. the choices