问题

It rained heavily in the south, ________ serious flooding in several provinces.[ ]

A: caused
B: having caused
C: causing
D: to cause

正确答案是：

同类题型

There will be ____ cars and ____ pollution twenty years later.

Coughing _____ C．must D．need

Where is your father now– He _____Hong Kong. He____ there for three days.

下列各句没有语病的一句是

____I take the newspaper to theclassroom—No, you mustn’t. You ______ read it onlyhere.