_______ in my life impressed me so deeplyas my first visit to Tibet

Your hand is dirty. It needs ____________.

Hurry up! We’ll be late for the plane. — Don’t worry. The plane won’t_______until two hours later.

Look! Our Chinese teacher, Mr Zhang, is playing badminton there.—-No, it ________ be Mr Zhang,. He has gone to Guangzhou for a meeting.

Our club provides skiing or other activities ________ for children above 12.