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

Thanks _____ your time.

The letter w_________ it.

In which pair of the words, the underlined parts pronounce differently

We ________ the project on time without your timely help

They were close ______ each other in high school and now are still ______ touch.