--Do you want a lift home?---It’s very kind of you, but I have a much late in the office. I overslept this morning because my morning clock _______.
#104006
A
doesn’t go off
B
won’t gone
C
wasn’t going off
D
didn’t go on
推荐题目
 When I said some students were so lazy, I ___to you.
#101816
A
don’t refer
B
wasn’t referring
C
didn’t refer
D
hasn’t referred
The teacher said that Columbus _______America in 1492.
#102954
A
discovered
B
found
C
had discovered
D
had found
He devoted himself to action rather than talk, so his dream ______ in the end. 
#99120
A
was become a reality
B
was come true
C
realized
D
was realized
I would have come earlier, but I _____ that you were waiting for me.
#102993
A
didn’t know
B
hadn’t known
C
haven’t known
D
wouldn’t have known