—I’m sure Andrew will win the first prize in the final.—I think so. He ___________ for it for months.
#104959
A
is preparing
B
was preparing
C
had been preparing
D
has been preparing
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 She’s already two hours late. What ______ to her?
#104859
A
can have happened
B
may have happened
C
should have happened
D
must happen
---- I called you 10:30 p.m, but you didn’t answer it. ----I _____my work and ______a bath.
#101037
A
was doing; had taken
B
had done; had taken
C
was doing; was taken
D
had done; was taking
I'm sorry. I _____________ you__________ to me.
#104802
A
don't know; are speaking
B
don't know ;were speaking
C
didn't know; were speaking
D
didn't know; are speaking
He______ and was made to repeat it. 
#104327
A
didn'tunderstand
B
didn'tbeunderstood
C
wasn'tunderstand
D
wasn'tunderstood