—Bad luck! It’s too late.
—It doesn’t matter. The concert       for only a few minutes. You can’t miss it.

—What a pleasant surprise to see you here! I       you          Shanghai.
—Me too. But I         there next Saturday.

       of the students in our class      money to the quake-hit areas these days.

---Harry Potter Ⅶ will be on this Saturday evening. Would you like to go to see it with me?
--- No, thanks. I        it.

Great changes        in our city last year.

I can't drive a car now, but I_______ able to do it in 2015.

--- I didn’t see you at the party yesterday. Why?  
--- Because I ________ for an important person from America at that time.

I hope you __________ in this city for a few more days.

--- Where is your mother?
--- She _______ to Sichuan on business. She has ______ there four times recently.

Mr. Black isn’t here. He ________ to Chongqing.