问题

When shall we go to have a picnic?— Not________the weather begins to pick up[ ]

A: since
B: until
C: unless
D: while

正确答案是：

同类题型

My cousin’s computer is broken. She’ll have it tomorrow.

下列句子中，句式与其他三句不同的一项是

We didn’t go to the concert because we couldn’t to buy the tickets to it.

This is the new type of plane________ partsare made in China.

Becand won’t open until further________.