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My father ________ 12 o'clock. He went to bed very late.

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A．finished his work until

B．didn't work until

C．worked until

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The boy ________ he finished all his homework.

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A．slept until

B．went to bed until

C．didn't go to bed until

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You can meet a lot of old friends ________ to the party tonight.

[　　]

A．if you will go

B．if you go

C．until you go

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The teacher tells us that some of the exercises ________ at home.

[　　]

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Be careful not to break it. It's made of ________.

[　　]

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The boy is crying because his little cat ________.

[　　]

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Mary is taller than Susan. Helen is even taller than Mary. Helen is ________ of them three.

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A．taller　　B．tallest　　C．the tallest

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I have two English books. The old one is big, and the new one is ________.

[　　]

A．bigger　　B．biggest　　C．the biggest

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I ________ in the park when I met my friend, Ted.

[　　]

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Please don't touch it because it is easily broken. It is made of ________.

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