问题

We’ll have a picnic in the Summer Palace this Sunday ________ it rains or it’s very cold.

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

正确答案是：

同类题型

While she, she cut herself.

city, almost everyone is _______bringing downthe housing price because it is too high for them to buy one.

Although the old man lives ______ , he doesn’t feel ______ .

下列各句中，没有语病的一项是（）

下列各句中，没有语病的一项是