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Ladies and gentlemen，please fasten your seat belts．The plane       ．

A．takes off                    B．took off

C．is taking off                D．has taken off

We haven’t heard from her for weeks．How do you suppose      with her studies now?

A．is she getting along         B．she gets along

C．she is getting on            D．she had got on

Without your help，I         the job on time last week．

A．would not have finished      B．would not finish

C．would finish                 D．would have finish

My little son used to drink a lot of fruit juice but these days he        mineral water．

A．prefers    B．is preferring   C．preferred    D．had preferred

Months ago we sailed ten thousand miles across this open sea，which         the Pacific，and we met no storm．

A．was called                   B．is called

C．had been called          D．has been called

After he retired from office，Rogers        painting for a while，but soon lost interest．

A．took up    B．took off    C．took down     D．took in

According to the air traffic rules，you should        your mobile phone before boarding．

A. switch over          B.switch on     C. switch off       D. switch round

The train was        to arrive at 11：30，but it was an hour late．

A．a(chǎn)bout    B．likely    C．certain     D．supposed

Finding information in today’s world is easy．The      is how you can tell if the information you get is useful or not．

A．a(chǎn)bility    B．competition    C．challenge   D．knowledge

They couldn’t stand        like that．

A．be treated    B．to treat    C．treating    D．being treated