-Must he come to sign this paper himself?

-Yes,he______

A.need
B.must
C.may
D.will

要讲为什么..

We must ask a doctor to come. All good things must come to an end.什么意思? He may come next week./He must write a letter.对不对? – He promised to come to see you. He must be a fool to say so. 1-15( )he come ,what ( )u say to him? ----jim didn't come to school yesterday,did he? He could have come to help us , but_____. He ________ to England but he ___________ to America now and he hasn't come back yet. He wishes to come to Chinna to study Chinese ----- he finishes high school.用when还是after?