—Isthereanyvaccine(疫苗)againstH

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—Is there any vaccine(疫苗) against H1N1 flu that can be used on humans?
—No, but scientists are working to develop ________ .

A．that

B．it

C．one

D．so

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The man ___ was an old classmate of mine.

A．you just talked to him	B．who just talked to
C．you just talked to	D．whom you just talked

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The bag is ____ as the red one.

A．twice as heavy

B．as twice heavy

C．as heavy twice

D．twice heavier

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He felt his chair ___ at the time of the earthquake.

A．moved

B．to move

C．is moving

D．moving

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The dictionary doesn't belong to your brother ____, but it belongs to me.

A．and, me

B．or, yours

C．or , mine

D．and, yours

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People __ her because she ___ such a strange hat.

A．make fun of , wears	B．laugh at, puts on	C．joke about, is putting on
D．smile to , is having on

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