Câu hỏi: The couple tried to converse in the busy restaurant, but they couldn't hear themselves speak so they went elsewhere.

A. talk

B. stop talking

C. chat

D. communicate

Câu 1: Names of people in the book were changed to preserve anonymity.

A. reveal

B. conserve

C. cover

D. presume

Câu 2: Affluent families find it easier to support their children financially.

A. Wealthy

B. Well-off 

C. Privileged

D. Impoverished

Câu 3: We are very grateful to Professor Humble for his generosity in donating this wonderful painting to the museum.

A. meanness

B. sympathy

C. gratitude

D. churlishness

Câu 4: Fruit and vegetables grew in abundance on the island. The islanders even exported the surplus.

A. large quantity

B. rareness

C. excess

D. sufficiency

Câu 5: Synthetic products are made from chemicals or artificial substances.

A. natural

B. made by machine

C. man-made 

D. unusual

Câu 6: I take my hat off to all those people who worked hard to get the contract.

A. congratulate

B. unrespect

C. welcome

D. encourage