The child was sent ________ some milk.

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The club will ________ its monthly meeting next Monday.

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Some of the boys are climbing the hill, the rest ________ playing games.

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You must ________the disappearance of these keys to the hotel manager.

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You may ________ a friend next time when you come here.

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They're said ________ both clever and hard-working.

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I want to have a look at ________ this evening.

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Has all ______ can be done ______?

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A．what, done　　　　　B．that, been done

C．that, he done　　　 D．what, already done

In the letter to his teacher, the lazy student told a ______ that he was ill and ______ in bed．

[　　]

A．lie, lied　　　B．lay, lain

C．lie, lay　　　 D．lay, laid

After ______ carefully, he was able to operate the machine．

[　　]

A．teaching　　　　　　B．being teaching

C．having taught　　   D．being taught