问题

Friendship is very important and life____friends can be very boring.

A:joined
B:took part
C:have joined
D:have been ;

正确答案是：

同类题型

A man of words and not of deeds ______ a garden full of weed.

下列各句中，没有语病的一句是

It is______ nice of you to say so.

In that mountain village in winter clothes ___near a fire after they have been washed.

In China, people believe the dragon is the ______ of good luck and success.