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科目： 來源： 題型：023

Choose the proper verb in the box and fill in the blanks.

　

is spent  did... arrive  does   is smoking  have been waiting

　

--How do you spend your money?

--Some ______ on food and some on clothes.

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科目： 來源： 題型：023

Choose the proper verb in the box and fill in the blanks.

　

is spent  did... arrive  does   is smoking  have been waiting

　

--When _________ you ________?

--At 9∶00p．m．I __________ here for an hour.

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科目： 來源： 題型：023

Choose the proper verb in the box and fill in the blanks.

　

is spent  did... arrive  does   is smoking  have been waiting

　

He says he'll stop smoking, but he never __________. When I see him, he ________.

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科目： 來源： 題型：023

Choose the proper words and fill in the blanks.

We are destroying our best fighters against __________ (pollute/pollution).

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科目： 來源： 題型：023

Choose the proper words and fill in the blanks.

The trees can produce a _________ (chemical/chemistry) to protect themselves.

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科目： 來源： 題型：023

Choose the proper words and fill in the blanks.

They take harmful gas from the air, and _______ (receive/release) oxygen into the air.

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科目： 來源： 題型：023

Choose the proper words and fill in the blanks.

I _______ (suggest/suppose) you also enjoy breathing pure, cool air.

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科目： 來源： 題型：023

Choose the proper words and fill in the blanks.

Trees are the biggest and oldest __________ (living/alive) things on the earth.

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科目： 來源： 題型：023

Choose the proper verb in the box and fill in the blanks.

　

come    not see    give    receive　　  should clean

　

Yesterday I _________ a letter from Jack. He is my good friend. 

We _________ each other for two years. In the letter he told me that he _______ to visit me soon.

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科目： 來源： 題型：023

Choose the proper verb in the box and fill in the blanks.

　

come　　 not see　　  give　　   receive　　   should clean

　

--The classroom is dirty. It _________.

--All right. We ______ our classroom a good cleaning.

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