Mr Zhou is very _______ with his students. He asks them not to be late. If they are late, they have to stay outside the classroom until the next class.

With the guide________the way, we finally got to the village which we were looking for. [ ]

It’s time _____ lunch. —OK. Let’s _____.

______ we’ll go to the Huaguo Hill.

Hearing the news about the crash of Air France Flight 447, he became very concerned _______ his daughter on board