问题

Putting on a happy face not only helps us make friends but also makes us feelbetter—- _______

A:which
B:those
C:it
D:they

正确答案是：

同类题型

Koalas eat_____ and______.

bought three DVD copies of the film Avatar and now _ is left. Somebody just borrows something and never returns.

Not only the workers but also the machine not there.　　

Your dream won’t come true_____ you know what your dream is.

下列各句中加点成语的使用正确的一项是（）