Question

— Must he come to sign this paper himself?
— Yes, he __________. 

A．need	B．must
C．may	D．will

Answer 1

B。

以Must开头的疑问句，在作肯定回答时通常要用must或have to，如：Must we bring our passports with us? 我们必须带护照吗?—Yes, you must. 是的，你们必须要带。