第一节 单项填空 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。 ______, we couldn't work in the small room where there is no air conditioner. A.Being a hot day B.It being a hot day C.It being hot a day D.Because the day being hot
A.A.Being B.It C.It D.Because
【参考答案】
B 解析：句子的后半部分是主句，有完整的谓语动词couldn'twork，前面部分需用非谓语动词形式。因为前后部......