问题

Occasions are rare _____ I can spend a day with my daughter. —- You should spare some time to accompany her.

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

正确答案是：

同类题型

We can’t go swimming ________ the heavy rain.

A set of keys ____ in the library. Are they yours

So hard-working _____ that he sets a good example to all the other classmates.

I think my Maths teacher is working hard. He teaches us very .—Yes, but he can’t come today. He doesn’t feel .

31. Do you know when did the world _____?