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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

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

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

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If Mary（）shopping this afternoon, please ask her to write a shopping list first.

A.will go
B.goes
C.went
D.has gone

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