Althoughithasrainedheavilyallthemorning,thekids

问题详情：

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

知识点：介词和介词短语

题型：选择题