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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---What are you ______?   ---I can’t find my dictionary.
#59635
A
looking at
B
looking down
C
looking for
D
looking like