Teachers' Day is ______ September 10.( )
in
on
at
We will cause less pollution _____________we can find ways to reuse or recycle more rubbish.( )
A.unlessB.ifC.though
Most of us enjoy __________to our mothers speak, because our brains greatly prefer the voices of our own mothers.( )
A.listeningB.listenC.to listen
Kelly White loves all sports, __________skating.( )
A.graduallyB.seriouslyC.especially
Only plants and animals that need very little water __________live in a desert.( )
A.canB.needC.must
It's hard to turn down a banana. They taste good and you don't have to wash them __________eating them.( )
A.untilB.afterC.before