问题

Mr. Smith must know a lot about Chinese history.—________. He has studied it for years.

A:So he does
B:So does he
C:So he must
D:Yes, he must

正确答案是：

同类题型

I have a problem. I don’t have a partner to practice English ______ at school..— That`s really a big problem.

r, at times this balance in nature is disturbed,_______ a number of possibly unforeseen effects.

Excuse me. May I speak to Jill, please—___________

Is Tom still smoking? — No, it’s a long time ______ he smokedBy next Saturday he ______ for three months without smoking a single cigarette.[ ]

How many boys _______ in your group–Four.