They said they wanted to know ( )do to help us.A:what they can B:how they canC:how can they D:what 为什么不选B 怎么做也很通顺的.D what can they do

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They said they wanted to know ( )do to help us.A:what they can B:how they canC:how can they D:what 为什么不选B 怎么做也很通顺的.D what can they do

They said they wanted to know ( )do to help us.A:what they can B:how they canC:how can they D:what 为什么不选B 怎么做也很通顺的.D what can they do
They said they wanted to know ( )do to help us.A:what they can B:how they can
C:how can they D:what 为什么不选B 怎么做也很通顺的.
D what can they do

They said they wanted to know ( )do to help us.A:what they can B:how they canC:how can they D:what 为什么不选B 怎么做也很通顺的.D what can they do
how引导的方式壮语,整个句子是how引导的宾语从句,既然是壮语,就只能充当句子当中的壮语成份,而本题do后面缺的是宾语,因此能做宾语的就是what了!选A

因为后面有do,缺少宾语,所以选A ,要是选B 的话改成want to know how they can help us就对了
D 的语序不对,这里要用肯定句式

这是考双宾语,what既作know的宾语又引导后一句为主语从句。有次用法的只有what.所以选A