A smart phone makes a big _______ to our life.( )
difference
decision
progress
prediction
Xiao Fang introduced herself to the new students in English in_________ lesson.( )
A.the firstB.atC.one
He knew his subject________ A to Z.( )
A.fromB.atC.on
You can keep one of the old photos.________ of them.( )
A.NeitherB.BothC.Either
We________ build our country into a country of peace,a country of wealth,a country of opening up.( )
A.mightB.shouldC.could
Could you please tell me ________?
For two weeks.( )
A.how soon he will be back
B.how long he will be away
C.how long will he be away.