Yao Ming, a basketball giant , ___________ water polo when he was young.( )
A.is playingB.used to play
C.is used to playingD.was playing
Johnson won't answer the phone if he ___________ the number.( )
A.knewB.doesn't know
C.will knowD.didn't know
If you want to know more about space,please ___________ the book A Brief History of Time.( )
A.look throughB.look around
C.look afterD.look down upon
It's very kind ___________ you to lend me your reusable shopping bags.( )
A.ofB.forC.toD.with
To keep children safe,we ___________ put the things like knives and medicine away in our house.( )
A.mayB.shouldC.canD.might
For more than once,our head teacher asks us ___________ the habit of keeping a diary.( )
A.developB.developsC.developingD.to develop