单项选择题
By the end of last month Professor Smith ____two papers.
- A.had
B.had
C.wrote
D.be
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单项选择题
Whenever I had trouble, I ____to him for help.
A.would
B.will
C.would
D.come -
未知题型
- What's wrong with your car?- _________
A.It's
B.
B.I
C.
C.One
D.
D.It's -
未知题型
- Does No.20 bus stop at our school?- _________
A.20
B.I
C.
B.I'm
D.
C.You
E.
D.I'll
F.20
