When the young man found himself ____ in the land with so many beautiful flowers ,he felt delighted .
Tom said he did not mind what time I arrived at his place____I promised to go and help him.
Yao Juan is the only one of the students who_________to be praised.
The experts advise______our army_________modern weapons.
This year they have produced_________ they produced the year before last.
People in the west make_______a rule to buy Christmas presents for their friends.