1. china’s one-child family policy which has had great effect on the lives of a quarter of the world’s population will come to end. a. a; an b. 不填；an c. a; the d. a; 不填 2. —can you answer the question, tom? —sorry, sir. my mind . a. wanders b. is wandering c. wandered d. was wandering 3. if you want to return these goods, madam, i see the receipt first. a. can b. may c. must d. would 4. —have you booked a table, sir? —yes, for two. the name is armstrong. a. it b. that c. this d. one
