The teacher has a(an) ___________ to get off topic; sometimes it is difficult for students to make out what he is saying.
With the guide _______ the way, we finally got to the beautifu mountain village which we were looking for.
Not until the mid-term approached ____________ how much time I had wasted.
--- Why didn’t she ask for help at that time? --- You know, at such a midnight, there was no one ________.
The plan has to be _______ to meet the real situation.
The criminal, as well as some ____________ people, was arrested by the police yesterday.