Câu hỏi: The workers went on strikes because of they thought their wages were low.

A. on

B. because of

C. thought

D. were

Câu 1: Because they had spent too many time considering the new contract, the students lost the chance to lease the apartment.

A. because

B. too many

C. considering

D. to lease

Câu 2: Instead of calling off the meeting, maybe we can just put it over until next month.

A. calling off

B. can

C. put it over

D. next month

Câu 3: By the mid-nineteenth century, land was such expensive in large cities that architects began to conserve space by designing skyscrapers.

A. By the mid-nineteenth century

B. such expensive

C. conserve

D. by designing

Câu 4: His health gets good and better because he does gymnastics regularly.

A. good

B. because

C. does

D. regularly

Câu 5: Many teachers have devoted their lives to teaching therefore teaching is not a well-paid job.

A. devoted

B. lives

C. teaching

D. therefore

Câu 6: By the time the police come the robber had run away.

A. By the time

B. the

C. come

D. had run