We can't work out the physics problem.Can you tell us----------?A.how to do B.waht to do it C.how to do itD.what should to do 为什么不选A,看讲解是what可做do的宾语.how不可做do的宾语,因此需加代词it.(但是看不懂啊,为什

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We can't work out the physics problem.Can you tell us----------?A.how to do B.waht to do it C.how to do itD.what should to do 为什么不选A,看讲解是what可做do的宾语.how不可做do的宾语,因此需加代词it.(但是看不懂啊,为什

We can't work out the physics problem.Can you tell us----------?A.how to do B.waht to do it C.how to do itD.what should to do 为什么不选A,看讲解是what可做do的宾语.how不可做do的宾语,因此需加代词it.(但是看不懂啊,为什
We can't work out the physics problem.Can you tell us----------?
A.how to do B.waht to do it C.how to do itD.what should to do
为什么不选A,看讲解是what可做do的宾语.how不可做do的宾语,因此需加代词it.(但是看不懂啊,为什么what可以而how就不行.为什么不行又必须加it)

We can't work out the physics problem.Can you tell us----------?A.how to do B.waht to do it C.how to do itD.what should to do 为什么不选A,看讲解是what可做do的宾语.how不可做do的宾语,因此需加代词it.(但是看不懂啊,为什
这个句子可以是Can you tell us how to do it?或者是Can you tell us what to do?
how是状语,是连词,conj.所以它不能做动词的宾语.如果用how,do后面一定要接宾语it,how表示怎么做;
what可以代替物,做动词的宾语,所以可以直接说what to do.

how在这里表方式,不用做宾语,只能作状语;
而what在句中能做主语及宾语,在这里是宾语,所以不用加it
望采纳~

这句可以填:what to do,或者how to do it
讲解说得很清楚的~~

。。。。。。英语就这么规定的,你去问英国人

我们写一般疑问句时常用what to do却不用what to do it如果看不懂讲解就这样想

C.how to do it