Bequiet,boysandgirls!It’stimef

Be quiet, boys and girls! It’s time for class. __________ Unit 3 in your books.

A．Look out	B．Look at
C．Look after	D．Look on

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A．in order that

B．in order to

C．unless

D．whether

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－Because we are there is lots of clear, fresh air there.

A．so many

B．much

C．many

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A．256 ; 8

B．256; 80

C．261 ; 8

D．261; 80

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A．the river

B．the water

C．the clouds

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Many _____ in ______ could hear no better than 65-year-old people, for they like pop music.

A．adults, the USA	B．adults; England
C．teenagers: the USA	D．teenagers: England

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