Question

用because或because of填空

1.The sports meeting was put off________the heavy rain．

2.The boy didn’t go to school________he was ill．

Answer

1.because of

2.because

【解析】

1.在第（1）题中，设空后的the heavy rain属于短语，故要用because of；

2.在第（2）题中，设空后的he was ill是表示原因的句子，故because符合题意。