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)

问题描述:

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)