Câu hỏi: Willa Cather, ....................... a prominent American writer, grew up in Nebraska during the early farming years. 

A. who became

B. became

C. she became

D. it is she who became

Câu 1: Books .............. of leather are longer lasting than books that are made of paper.

A. made

B. are made

C. making 

D. which made

Câu 2: Commercial centers are ................ they were many years ago.

A. as popular than

B. the most popular

C. the most popular than

D. more popular than

Câu 3: Choose the correct answer A, B, C or D.

A. less convenient as

B. less convenient than

C. not so convenient than

D. the most convenient as

Câu 4: John always .................... his car in the lot by the school.

A. park

B. parks

C. is parked

D. was parked

Câu 5: The harder this man works, ....................... he becomes.

A. most successful

B. more successful

C. the more successful

D. the most successful

Câu 6: In 1850 ........................ established one of the first detective agencies in theUnited States.

A. it was detectivePinkerton

B. detective Pinkerton 

C. detective Pinkerton who

D. when detectivePinkerton