A hard-working man__ _______become a great scientist, but a great scientist__________be a hard-working man.
#52464
A
can’t; can
B
may not; can
C
mustn’t; must
D
may not; must
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——I    cleaning my bedroom. It’s clean now.——Wow.When    you    it?
#63340
A
have finished,did,finish
B
finished,have,finished
C
finish,do,finish
D
have finished,have,finished
— It's said a pianist will perform at Poly Theater on Friday evening. Is it Lang Lang?— Yes, it _______ him. He _______ for a week.
#59653
A
must be; has arrived here
B
maybe; has been here
C
must be; has been here
D
maybe; has arrived here