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【单选题】
—Is that boy Alan?
—No, it ______ be him．He left for Beijing yesterday.
—Is that boy Alan?
—No, it ______ be him. He left for Beijing yesterday.
A.
can’t
B.
shouldn’t
C.
needn’t
D.
mustn’t
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参考解析：
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【单选题】The teacher always asks us not to work _____.[ ]
A.
over the time
B.
at overtime
C.
overtime
D.
over a time
【单选题】I'm ______ my little dog. Have you seen him?[ ]
A.
looking at
B.
looking for
C.
looking after
D.
looking forward to
【单选题】Trees __________every year to make our city greener.
A.
plant
B.
are planted
C.
were planted
D.
will be planted
【单选题】---________ are you going? --- I'm going to the reading room. I'd like to read the book' The Three Kingdoms'. [ ]
A.
When
B.
How
C.
Where
D.
Why
【单选题】The room is too small for us . [ ]
A.
to live in
B.
living
C.
live in
D.
to living in
【单选题】The boys always have some fun _____computer games. [ ]
A.
to play
B.
playing
C.
plays
D.
for playing