Polarbearslivemostlyonseaice,w

Polar bears live mostly on _____ sea ice, which they use as ___ platform for hunting seals.

A．a; a

B．a; the

C．不填；a

D．the; 不填

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________ when the door burst ______.

A．Hardly did he collect the papers on his desk; opened

B．No sooner had he collected the papers on his desk; opened

C．Hardly had he collected the papers on his desk; open

D．No sooner did he collect the papers on his desk; open

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In order to improve English, _______.

A．Jeo’s father bought her lots of tapes	B．Jeo bought lots of tapes for herself
C．Lots of tapes were bought by Jeo	D．Lots of tapes were bought by Jeo’s father

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-----It is long since we met last. Haven’t you graduated from college yet?
----- _____. I ____ English for 3 years in Lanzhou University.

A．No; study

B．Yes; have studied

C．No; am studying

D．Yes; studied

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Would it be ___ for you to help me take my luggage upstairs?

A．free

B．vacant

C．handy

D．convenient

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When we plan our vacation, Mother often offers ___ suggestions.

A．practical

B．stable

C．innocent

D．bearable

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