______ of them are doing homework at home.

admin2009-08-17 54

问题 ______ of them are doing homework at home.

选项 A、Each
B、Both
C、Every

答案B

解析选项A“Each of them”后面谓语动词应为单数。选项C“Every”后面应加单数可数名词。这两个选项均可排除。只有选项B“Both”表示“两者都”，后面be动词用复数，符合题意，故选B。

转载请注明原文地址:https://www.kaotiyun.com/show/vBvd777K

公共英语一级笔试

相关试题推荐

随机试题

最新回复(0)