Question

My father lost ____keys. Now he can’t get into the house, the office or the garage (车库).

A．a pair of

B．a piece of

C．a cup of

D．a set of

Answer 1

D

试题分析：句意：我爸爸丢了一串钥匙，现在他不能进家、办公室和车库了。A一双、一副B一片、一块C一杯D一串、一套，故选D。