By the time he realizes he _____ a mistake, it’ll be too late for him to change his mind.    
#101944
A
makes
B
made
C
has made
D
had made
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It's the third time ________ late for school this week. 
#101545
A
that you are
B
you are
C
when you arrived
D
that you have been
—Would you please keep silent? The weather report ______ and I want to listen.
#100034
A
is broadcast
B
has been broadcast
C
was broadcast
D
is being broadcast
By the end of this year, 160 new students ___ in the English Department of this world famous university.
#102497
A
have enroll
B
will have enrolled
C
have been enrolled
D
will have been enrolled