Mr.Yang,along with a number of students,experiments in chemi

Mr.Yang,along with a number of students,experiments in chemistry in the lab at that moment.
A does
B do
C was doing
D were doing
为什么呢?讲讲吧

顾然 1年前已收到2个回答举报

winywung 幼苗

共回答了23个问题采纳率：87% 举报

at that moment 说明只能用进行时,故排除A,B.而如果像这样,句中有with或along with,那么谓语动词就和其前面的主语保持一致,例如：He with his friends is watching TV now.所以句中谓语动词应与Mr.Yang保持一致,故选C喽

1年前

lanyu319 幼苗

共回答了4个问题举报

因为后面有个that moment 意思是在那时整句话说杨老师和一些学生那时正在实验室做实验关键一个词就是那时正在突出那个时候正在做实验这件事所以用过去进行时

1年前

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