--David, are you 1istening to me?
---Sorry, Dad. I _______ to make sense of what the reporter said.

— When shall we restart our business？
— Not until we       our plan．

--- Hasn’t Zhao Wei finished filming the movie So Young?
--- Yes. She ______ on it for more than half a year.

Car rental agencies _______ a boom in business ever since new restrictions made it harder for people to buy an automobile in the capital.

Although the peak travel time for Chinese railway doesn't start until Jan 19 this year, people who're eager to get a seat on the train _______ already _______ their struggles.

Although she is only 17 years old, she _________ drugs for two years.

The gasoline        . Let’s fill the car up at the next gas station.

– Why you didn’t handed in your exercise paper?
–Sorry, but I ____ that it should be turned in today.

--- I’ll come to see your performance at 9:00 tomorrow evening.
--- I’m sorry, but by then my performance ____ and I ____ reporters in the meeting room.

There are lots of problems in your hometown, but we're happy to see many of them________.