—Hi, why are you here?—I ________ for Susan for 15 minutes.A. have been waiting B. have waiting C. am waitingD am been waiting
—Do you have_______ in mind that you'd like for supper? —Well, _______ is OK with me.
The young lady took the dress out of the package and tried it on, only ______ if it fitted her.
He realized his mistakes and took action to reduce the loss _______ it was too late.
— Were your parents at home last night? — No. _______ of us went to my uncle’s birthday party.
—The surgeon hasn’t come back, has he? —_______, for he _______ Australia since last week and will be back in a week.