In China when caught, those corrupt(腐败的) officials are sometimes limited to _________ in a certain place, only __________ their problems within an appointed time(规定的时间).
They were so late that they ____had time to catch the train.
----Why can’t I smoke here? ----At no time_____in the meeting room.
Helen plays the piano well, ____her favourite instrument is the violin.
The young man, ___two attemps to climb the high mountain, decided to have another try this year.
The boy was caught ____in the examinaton room and was later punished for that.