---Did you notice Tom was busy all day in his office?---Oh, yes, he has just finished his business tour of Chicago. He has a lot of work to ___.
_________ the meeting room, he found all the parents already ________ there.
The construction of a 5-million-ton iron and steel works is now under__________.
_________ in the mountains for a week, the two students were finally saved by the local police.
.The dishes ________ so delicious were cooked by my father who was a good cook
Parents _________ much importance to education. They will do their best to give their children that priceless gift.