问题

What’s your plan for this weekend? — We will go for a picnic by the river _______it rains.

A: unless
B:if
C:but
D:because

正确答案是：

同类题型

r the metal cage to pull the minersto safety, the miners in Chile ____ in less than twenty-four hours.

Gathering clouds________the coming storm.

I’m worried about the sports meet. Do you think it will be postponed?—-If it ______ rain tomorrow, but actually the weather forecast has removed our worry.[ ]

It’s snowing so ________ that we can ________ go outnow.

terrible weather it is!— It is said that it will get better tomorrow.