We _______ pay to get into the concert. It's free.
#52612
A
can't
B
mustn't
C
might not
D
don't have to
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– What a nice model ship! – Thank you. It _________ me a few days to make it.
#59215
A
paid
B
spent
C
took
D
tried
一It looks 1ike a kind of cat.What do you think?一Yes, I ________ .
#54227
A
understand
B
know
C
mean
D
agree