Xie Lei, a student studying abroad, highly recommends that you    a substitute family to be with.
#86917
A
had
B
have
C
has
D
should to have
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I________through that bitter period without your generous help.
#86828
A
couldn't have gone
B
didn't go
C
wouldn't go
D
hadn't gone
One thing’s for sure, the fire _____by some cigarette butts. 
#88084
A
might cause
B
could have caused
C
must have been caused
D
should be caused