We can’t go swimming the heavy rain.A. becauseB. because ofC. thoughD. so

问题补充：

We can’t go swimming the heavy rain.

A. because

B. because of

C. though

D. so

答案：

A. because

(答案→)B. because of

C. though

D. so

解析：句意：因为下大雨我们不能去游泳。because是连词，后面跟句子，而because of是一个介词短语后面跟名词、代词或名词短语，though和so均为连词，意为“虽然”和“所以”；故选B。