．We have got a heavy snow there in my hometown this winter, which is a sign that this year _____ to be another good one for harvests.

My old father began to study computer science at the age of sixty in order that he might ___ times. 

A study shows that  _______ a boarding school would help students cultivate (培養(yǎng)) their independence while being away from their parents.      

—What terrible noise here!
—Go to tell the children that they are ____ to be quiet here.

What a pity! The car ran out sight before I could _______ its number.

.Most of the citizens didn’t know what had________just now.

— I don’t feel like going to the sports meet next week. There are too many excellent athletes.
— It is foolish of you to _______ trying.

The old worker _______ a very practical plan at the meeting yesterday, but it was turned down by the manager.

As citizens of our country, it is our duty and responsibility to _______ the legal rights of our own in the election.

The mayor of Zhuanghe City was ordered to resign because of his refusal to ________ when more than 1000 villagers got down on their knees before the city government office building, begging for his help.