问题

The thought of going back home was _____kept him happy while he was working abroad

A:that
B:all that
C:all what
D:which

正确答案是：

同类题型

e countries where there is notenough coal, water is used to ____ electricity.

A man _______ a hat is fishing on the sea.

下列各句中，没有语病的一句是

Would you ____ help me

. — Amanda is always polite and __________ towards her students. — What a good teacher!