1) We will have interviewed all the people by the time the manger.................. a) arrive b) arriving c) arrives 2) By the coming Eid, my mother .............. some gifts for the children. a) will have been buying b) will buy c) will have bought 3) I ................... for three hours by the time you are ready to help. a) will have worked b) will have been working c) works 4) By the time we arrive , she ........................ for over an hour. a) waited b) will have been waiting c) will have waited

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