Câu hỏi: 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 1: Increasing involvement in agriculture by large corporations has resulted in what is known as agribusiness-that is, agriculture with business techniques, including heavy capitalization, specialization of production, and to control all stages of the operation.

A. by large corporations

B. has resulted in

C. known as

D. to control

Câu 2: In the end of the party, Mary found herself washing the dishes alone again, as usual.

A. In the end of

B. herself

C. washing

D. as usual

Câu 3: Anna Robertson Moses, who was also known as Grand Moses, is considered one of the greatest female artist of US. Art.

A. who was

B. known as

C. is considered

D. female artist

Câu 4: Would you mind showing me how working the lift?

A. mind

B. showing

C. how

D. working

Câu 5: Today the number of people enjoying winter sports are almost double that of twenty years ago.

A. of

B. enjoying

C. are

D. that

Câu 6: There are much kinds of books in my school library,but readers cannot borrow them.

A. are

B. much

C. in

D. cannot