中专英语（习题帮助）

题目

中专英语（习题帮助）
Mr.smith ______ (use)this room,but he _____(not use)it at present.
I ____ (hear) that they have gone abroad.
Here _____(come) the trolley-bus!
Don't be late,Mary; the train ___(start)at 8

答案

Mr.smith __has used____ (use)this room,but he ___is not using__(not use)it at present.
I _heard___ (hear) that they have gone abroad.
Here __comes___(come) the trolley-bus!
Don't be late,Mary; the train _will start__(start)at 8