She tried to explain this program by_____of sign language.

Tom might not have made such a serious mistake if he _____ your advice.

—I’m afraid we must go now if we don’t want to get caught in the traffic jam. —OK. ______.

Our teachers always tell us to believe in （ ） we do and who we are if we want to succeed.

There is a warning at the bottom of the form that applicants are requested to hand in their forms _____ person.

Our main concern is to _____ the living standard of the people.

All of them are （ ） at Lana’s achievement.

（ ） is careless when disposing of his wastes.

I shall have a companion in the house after all these （ ） years．

It was in New Zealand _____ Elizabeth first met Mr. Morris.

He （ ） yesterday morning, and would stay for three days.

She has （ ） chance to win the election as her opponent is too strong.