问题

Some plants are so difficult to grow that they can only ______ in a perfectly clean environment.

A:communicate
B:exchange
C:survive
D:afford;

正确答案是：

同类题型

Mr. Wang is ______ our good leader _____ our good friend.

Last Sunday a few of us arranged to meet in town, but Jenny didn’t.

I’m afraid the date for theinterview doesn’t suit me.—_____, we can make it another day.

Tom as well as his two companions ________leave ________Paris tomorrow.

It takes me one hour my homework every day.