问题

Let’s put off the picnic until next week _____ the weather may be better.[ ]

A: since
B: if
C: as
D: when

正确答案是：

同类题型

Please.The boy is studying.

Look, what Father _____ me when he came home from work!

The reason ______ she gave for being late was ______ the heavy snow prevented her ______.

He is __________ than any other student in his class.

It’s a fine day. Would you like to go bike riding—_______________.