问题

How long do you think it will be ______ theChinese people land on the moon
A:that
B:since
C:until
D:before
B:since
C:until
D:before
正确答案是:
同类题型
I’ve been so bored for a long time. I hope to have _______ to do.
Could I use your bike for a while. Sam— ________. I’m not using it.
Have you seen the film Alice in Wonderful— Yes. __________ wonderful film it is!
The best job is one which uses your skill in doing something ______ your interest in the subject[ ]