What do you mean by saying every minute counts?— I just mean that every minute must be made full use of ______ for the final examination. [ ]
If he is once ______ laughing, he finds ______ difficult to stop.
He is always______fault with other people though he doesn’t do his own work properly.
-Whichcity is your favorite-Hangzhou,of course. It is the _____ place that I have ever visited.
What’s this in English — .