—Do you know if they________swimming tomorrow?
—I think they will if they________free.
A. go,will be B. will go,are
C. go,are D. will go,will be
—When will you give me a call?
—I________you when I get to the airport.
A.will call B.call
C.called D.calling
You can solve the problem by________ your teacher for help.
A. asks B. to ask C. asking D. ask
If I don't finish the housework,my mother________me watch TV.
A. lets B. will let C. don't D. won't let
—Can you tell me how to use the iPhone 5?
—________.
A. That's right B. Certainly C. Thank you D. Of course not
—Hi,Jim.You look so tired.
—Well,I kept________for an hour because I missed my bus.
A. walk B. to walk C. walked D. walking