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單項選擇題

If you（）your work, you can go there first.

A.will finish
B.finished
C.finishing
D.have finished

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單項選擇題

If the doctor had been available, the child （）

A.would not die
B.could not have died
C.might not die
D.should not have died

單項選擇題

If she wants to stay thin, she must make a（）in her diet

A.change
B.turn
C.run
D.go