非谓语动词练习（）1 The old man,______abroad for twenty years,is on the way back to his motherland.A to work B to have worked C working D having worked2 Having been ill in bed for nearly a month,he had a hard time____exam.A padd B to pass C passed D passing3 Generallly speaking,_____according to the directions,the drug has no side effect.A when taking B when taken C when to take D when to be taken能否给一些指点

问题描述：

非谓语动词练习（）
1 The old man,______abroad for twenty years,is on the way back to his motherland.
A to work B to have worked C working D having worked
2 Having been ill in bed for nearly a month,he had a hard time____exam.
A padd B to pass C passed D passing
3 Generallly speaking,_____according to the directions,the drug has no side effect.
A when taking B when taken C when to take D when to be taken
能否给一些指点

答

1.D
2.D
3.A

答

D
D
B

答

D p.p/v-ing....可做非谓语 The old man与谓语is on the way...为主动关系所以要用v-ing 而题中有for表一段时间要用完成时因此选 having done的结构
B 此题中he had a...的had为实意v. 两个v.间用to连接
A take according to不可用被动语态故排除B when没有+to的形式故排除C，D 所以只能选A

答

DDB

答

1.D
having worked相当于who has worked
2.D
have a …time doing sth.这是固定搭配
3.B
这句话主语是drug,药是被吃的,当然用被动态了.
句意：一般来说,如果按说明书服用这种药,是不会有副作用的.

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