Althoughithasrainedheavilyallthemorning,thekids

問題詳情：

Although it has rained heavily all the morning, the kids ________having P.E. classes

 on the playground because they will have an exam soon.

A. put off                  B. are not against    C. are used for       D. are absent from

【回答】

B

知識點：介詞和介詞短語

題型：選擇題