I ______ go to bed until I ______ finished my work. a. don’t/had b. didn’t/have c. didn’t/had d. don’t/have
With her eyesthe work attentively, she didn't know what was happening outside.
—What happened to the young trees we planted? —The treeswell, but I didn't water them.
—Has your son come back from abroad for the winter vacation? —Yes. But he stayed at home for only a week. Now heback to college.
the numbers in employment, the hotel industry was the second largest industry in this country last year.
—Mum, I can't see any point in studying hard. —Come on. dear,Years of hard study will surelyin your future career.