_________myself,I will take up a hobby like painting this summer.( )
A.ImproveB.ImprovingC.To improveD.Improved
Bill is running so fast!I _________believe my eyes.( )
A.needn'tB.shouldn'tC.mustn'tD.can't
Helen enjoys (listen) to soft music when she is tired.
Zhurong,China's Mars explorer, (land) safely on the red planet in May 2021,making China the third nation to do so in human history.
People are advised (keep) a distance of 6 feet or more in public places.
一I don't like the sleeping bag,Dad.
一What do you ,Bob?It's a camp,not a hotel.
A.suggestB.imagineC.expectD.wish
一You added sugar in my tea?It terrible!
一Sorry,madam.I'll pour you another cup right away.
A.feelsB.looksC.soundsD.tastes
Listen up,guys!Everyone wear a mask.Go and buy one if you don't have one.
A.can'tB.canC.mustn'tD.must
We should do more ( spread) Chinese spirit,Chinese value and Chinese strength.
一Why do you choose to use Beidou Navigation (导航) Satellite System,Mr.Li?
一Because I think it has many advantages GPS (全球卫星定位系统).( )
A.onB.inC.overD.of
一I often see the sign in schools.What does it mean?
一Students bring mobile phones to school.( )
A.needn'tB.can'tC.couldn'tD.wouldn't
—Sandy,is Mr Li in the teachers' office now?
—I am not sure.He ______ be there.
A.mustB.can'tC.mustn'tD.may
The policeman told the children ______ in the river.It's too dangerous!
A.to not swimB.not to swim
C.not swimD.not swimming
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