Câu hỏi: Very few scientists _______ with completely new answers to the world’s problems.

A. come to

B. come round

C. come up

D. come in

Câu 1: Some of the older villagers prefer to ______ tobacco rather than to smoke it.

A. munch

B. crunch

C. chew

D. gnaw

Câu 2: Tom was a highly ______ teacher who took his duties seriously but he had neither the personality nor ability to achieve much success.

A. conscientious

B. efficient

C. capable

D. talented

Câu 3: He wrote his name ______ and carefully at the top of the paper.

A. largely

B. attentively

C. obviously

D. clearly

Câu 4: He took a _______ with him to clean the windscreen of his car.

A. garment

B. cloth

C. clothing

D. towel

Câu 5: He always wore a shirt with an open ________.

A. colour

B. tie

C. collar

D. tail

Câu 6: The presently accepted theory of light _______ some of the ideas of both earlier theories.

A. designs

B. composes

C. reacts

D. combines