1.The qusetion is quite difficult,( ) students in our class

1.The qusetion is quite difficult,( ) students in our class could answer it.
A.a few B.few C.a little D.little
2.English is useful,so don't give ( ) halfway
A.up it B.out it C.it up D.it out
3.I found a wallet ( ) on the ground.
A.was lying B.lying C was laid D.laid
4.Mary,let us ( ) the piano,will you?
A.to listen to you play B.listen you to play
C.listen to you play D.listen to play
5.In the end,my decison turned ( )to be true
A.on B.off C.out D.up
6.The second( )way to communicate with each other is to send"email"nowadays.
A.popular B.popularest C.most popular D.the most popular
7.This turned( )to be ture
A.to B.on C.out.D.off