It is a long time _____I saw you last． ——Yes．And it will be a long time _____ we see each other again．

Be quiet, please. I can’t _______ the guide.

What a nice computer!-My parents bought it for my sister and me. It’s

Excuse me．Could you please tell me?—Certainly．Take the escalator to the second floor and turn left, There is a bank next to the drugstore.

Is Mr. Xi Jinping _______ honest and capable man?—Yes. And that is why he was chosen to be _______ president of our country.