问题

He is rather difficult to make friendswith, but his friendship, _____ is more true than anyone else’s.

A:the a
B:Once gained
C:Once is gaining
D:Once he gained

正确答案是：

同类题型

is even more important is the earth cooled down, water began to appear on its surface

You’d better not leave the medicine ________ kids can get at it

________ they become dirty, the lakes are not able to clean themselves

Dad,you have worked for so long time. Stop and have a rest.

Nowadays people can get much from TV and the Internet.