It’s a wise ________ to wear the red tie. It matches(匹配) your shirt well.— Thank you very much.

My computer doesn’t work. It needs _______ soon. — Why not have David _______ it Nobody can if he can’t.

Where is Mr. Wu I haven’t seen him for several days.—He ________ America and he ________ from his home since last week.

How do your parents usually go to work—My mother usually goes to work _________ buswhile my father ________ a bike to work.

－What’s this－It’s .