Câu hỏi: In 1849, Walter Hunt, ...................... American inventor, patented a designthat served as the basis for modem safety pins.

A. an

B. he was an

C. who

D. was an

Câu 1: 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 2: Henry Ford, ..................... ,was an outstanding innovator.

A. he founded the Ford Motor Company

B. founded the Ford Motor Company

C. who founded Ford Motor Company

D. the Ford Motor Company founded

Câu 3: I .................... your keys on the table by the bed last night.

A. saw

B. are seen

C. was seen

D. see

Câu 4: The journey, ........................ alone for most of the way, was in the name of charity.

A. I undertook

B. that I undertook

C. which I undertook

D. undertaking

Câu 5: John always .................... his car in the lot by the school.

A. park

B. parks

C. is parked

D. was parked

Câu 6: Choose the correct answer to fill in the blank. 

A. that are

B. being

C. are

D. are being