The telephone ___ in 1876.( )
invents
invented
was invented
has invented
A good friend is someone you ______ share your pleasure and pain with. ( )
A.canB.needC.shouldD.must
A little effort every day, you ______ a big difference. ( )
A.makesB.madeC.have madeD.will make
What do you think of the boy?
He is ______ honest student today and ______ useful man tomorrow. ( )
A.a; anB.an; aC.an; anD.a; a
Would you mind going to the park with us this Sunday?
_____.I haven't been outdoors these days.I can't wait.( )
A.Sorry,I can'tB.Sure,I'd love to
C.Certainly notD.My pleasure
The light in his office is still on.I wonder _______.
Maybe at midnight again.( )
A.if will he stop working
B.if he will stop working
C.when will he stop working
D.when he will stop working