I will come _____ I don’t change my mind. 
#75176
A
unless
B
if
C
because
D
though
推荐题目
 If you _____ smoke, please go outside.
#74387
A
can
B
may
C
must
D
might
David, you _____play with the valuable bottle; you_______ break it.
#62983
A
won’t; can’t
B
mustn’t; may
C
shouldn’t; must
D
can’t; shouldn’t
 “Not having returned home yet, _________”, his father said to the police.
#63543
A
his mother got worried
B
his mother must be worried
C
I think he is missing
D
he must have got into some trouble.
It isn’t going to rain, so you        take an umbrella with you.
#75747
A
mustn’t
B
shouldn’t
C
needn’t
D
can’t