问题

If you’re _ trouble, you can ask the police _ help.

A:and, times
B:and, time
C:or, times
D:or, time;

正确答案是：

同类题型

He got up very early and hurried to the station，only ______ his train was cancelled.

When will his party begin—I am not sure. It _ be at 8:00 p.m.

_____when has the country been open to international trade? — 1978, I suppose[ ]

your working conditions improved—No, _____ than before, I’m afraid.

Jack, could you tell me for travelling this summer—We plan to go and see the beautiful sea in Hainan.