问题

Now it’s been possible for us to be taken into “space”, ______ we can experience weightlessness for a short time[ ]

A: which
B: when
C: where
D: that

正确答案是：

同类题型

75. Why don’t you to England for a holiday?

What time do you expect me back, Mum — Say, ______half an hour.

Lucy is coming by plane tomorrow.–Let’s go to airport to meet her.

My son is old enough to ___ himself. He likes ___ blue, but this morning he __ his white T-shirt when he got up.

Good weather, isn’t it Let’s___a walk through thepark.