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

A. that are

B. being

C. are

D. are being

Câu 1: 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 2: 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 3: Florida ............... by thousands of tourists every winter.

A. visited

B. visits

C. was visited

D. is visited

Câu 4: 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 5: Hotels have developed ................... restaurants in this area.

A. as rapid as

B. as rapid than

C. so rapidly that

D. as rapidly as

Câu 6: 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