第7—9课口语小练
从方框里选择恰当的句子补全对话，其中有两项多余。
A: (1) ____________
B: Just a minute. It’s ten to nine by my watch.
A: Is it true? It is so late. I must be off now.
B: (2) ____________
A: I must catch the nine-thirty train.
B: (3) ____________
A: I’m going on a trip to Dalian.
B: (4) ___________
A: For about a week.
