问题

I often doubt _________David is willing to help those homeless people.

A:whether
B:that
C:when
D:how;

正确答案是：

同类题型

Rich and famous as he is, he lives in a ________ house in the village.[ ]

The three sisters decided to hold a family party to ________ their parents’ silver wedding.

I like playing computer games, _____ I don’thave much time for it.

_____ him and then try to copy what he does .

How about the radio