单项选择题
W: I have been thinking about my uncle a lot these days. M: Why not go over for a visit
A.The woman’s uncle will come for a visit. B.He thinks the woman should visit her uncle. C.He asks the woman to go over to his plac
A.a boy of about 20 B.a dark-haired young man C.an iii man D.a rather weak fellow
A.the population of the world is increasing faster B.people use too many man-made materials C.we have more industry D.we are producing more cars, trucks and buses