单项选择题

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A.He has already finished studying.
B.He’s taking a break from studying.
C.He’s finding out some information for a friend.
D.He was assigned to watch a program by his professor.
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单项选择题
A.They are checked out.B.They are specially coded.C.They are inspected by the guard.D.They are marked with colored labels.
A.They are checked out.
B.They are specially coded.
C.They are inspected by the guard.
D.They are marked with colored labels.
单项选择题
A.Go cross the bridge.B.Repeat the experiment.C.Come to the bridge game.D.Wait and see what will happen.
A.Go cross the bridge.
B.Repeat the experiment.
C.Come to the bridge game.
D.Wait and see what will happen.
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