單項選擇題

The population of the earth（）increasing fast.

A.is
B.are
C.were
D.have been

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單項選擇題

The plane was about to（）, and yet I left my ticket behind.

A.take off
B.take on
C.take up
D.take in

單項選擇題

The people in this city have planted（）trees along both sides of the streets.

A.a great deal of
B.much
C.a large amount of
D.a lot of

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