Deaf people can't _____,but they can learn how to move their mouths ______they can speak.
A．listen ,so B．hear, so C．listen, so that D．hear, so that
Don't worry. The hard work that you do now ____ later in life.
A．will be repaid B．was being repaid C．has been repaid D．was repaid
______ a phone is of great help, I don’t think it’s a good idea to spend too much time on it.
A．If B．While C．Because D．As
Peter will come to understand your efforts sooner or later. It’s just a matter of _____.
A．luck B．value C．time D．fact
Experts think that __________recently discovered painting may be ________ Picasso.
A．the ;不填 B．the; a C．a ;the D．a ; 不填
It is not clear ____the effects of global warming will be.
A．how B．which C．that D．what
