Year 3 Students in our school _______ all kinds of exercises every day in the past eight months. A. kept busy doing B. keep busy with doing C. were kept busy doing D have been kept busy with
Samuel Clemens,______ Mark Twain, wrote many popular stories.
The old man used _____ in front of his house and he has got used to _______ like that.
Mr. Brown, ______ chairman of the trade union, will visit our factory in _____ month of May.
He has called several times this morning, ____ there is something very urgent.
You have to wear special clothing, a helmet and a life jacket ____ your raft gets turned upside down or sinks.