The athletes made great progress by ________ (科学的) training.
The bell rang, _________ (宣布，宣告) the end of the class.
The troop covered _________ (粗略地，大约) 80 miles a day.
The beauty of the sunset was beyond _________ (描述).
__________ (代表) of many nations at the peace talks are working towards an agreement.
He__________ (溜进) into the small room without being noticed.
You must __________ (集中) all your energies on the study of English.
We were __________ (通知) by mail of the change in plans.
New technology is being _________(应用于) to almost every industrial process.
We _________(款待) my friend Susan to lunch at the Sayon.
I can hardly stand __________ ( criticize) by all of my teachers every day.
Nobody likes __________ ( disturb) when he is busy at his work.
He is said __________ (write) a novel about the country life at present.
__________ (do)all his exercises, he turned on the TV set and began to watch his favorite program.
When I went in, the naughty boy pretended __________ (fall)asleep.