when he came home,I___for three hours.a.have fallen asleep b

when he came home,I___for three hours.a.have fallen asleep b The baby___for three hours.a.fell asleep b.has fallen asleep When he came back three hours later,they were still sitting 1：It was 6 o'clock -------he came home A.that B.what C.when have been asleep 和have fallen He has fallen asleep.这是系表结构吗? scarcely had she fallen asleep when a knock at the door awak ------_____ have you been swimming?-------Two hours A.When B It＿for three hours.When will it stop?A.has rained B.has been Three hours (late,after,before,later),they came home from th My uncle was reading () when I came home.A.some paper B.a mo When I came into the room,he pretended ________ asleep．