问题

It is the greatest happiness on earth______.

A:loving and to be loved
B:to love and being loved
C:to love and to be loved
D:love and be loved

正确答案是：

同类题型

That sounds very _______________..

______ he comes back, I’ll tell him about it.

We should work together to build a society for kids, ________free from war and violence.

I’m sorry .I can’t play baseball with you. —–________.

I don’t want to cook today.—Let’s a pizza from the restaurant.