Can you catch me, Mary— Yes, sir. You speak . I can follow you.

Internet shopping will be ready to _________ when people may think that it is safe.

Is Andy Lau the perfect actor to play the role of the policeman— Yes, of course. He to be an experienced actor with excellent acting skills.

to the conference, we have already discussed this problem among ourselves.

I didn’t hear you in just now.—That’s good. We tried ________________ you up.