Hello, Sandy. This is Jack. What are you doing?— I’m watching a match. It started at 7 p.m. and _____ on for another half an hour.

The boy used to cause a lot of _________/’tr?bl / very much.

So many great events ________that it is bound to be a most special year in Chinese history.

The doctor told him that he should take a holiday to relax himself, but _________ didn’t help.

______ do you write to your pen-friend? —”Once a week.” [ ]