I called you at 5:00 yesterday afternoon, but no one answered.—Sorry. I _______ football with my friends at that time.

We’ll have to work extra hours, for there are still some problems ____________ ．[ ]

How about ____ shopping this afternoon? [ ]

_____ Lily _____ Lucy may go with you because one of them must stay at home.

that terrible noise, David—Oh, I forgot to tell you The new machine in the nearbyplant_____