BY THE TIME YOU (FINISH) COOKING, THEY (DO) THEIR HOMEWORK. (HAVE...

48. - BT TRAC NGHIEM TIENG ANH 9DOC
BT TRAC NGHIEM TIENG ANH 9DOC
48. By the time you (finish) cooking, they (do) their homework. (have finished _ will do/ are finishing _ willbe doing/ finish _ will have done)