Mary went to the box office at lunch time, but all the tickets ________ out.

A．would sell 

B．had sold

C．have sold 

D．was selling

My parents have promised to come to see me before I ________ for Africa.

A．have left 

B．leave

C．left 

D．will leave

When I talked with my grandma on the phone, she sounded weak, but by the time we ________ up, her voice had been full of life.

A．were hanging 

B．had hung

C．hung 

D．would hang

My parents ________ in Hong Kong. They were born there and have never lived anywhere else.

A．live 

B．lived

C．were living 

D．will live

－Guess what, we've got our visas for a short­term visit to the UK this summer.

－How nice! You________a different culture then.

A. will be experiencing

B. have experienced

C. have been experiencing

D. will have experienced

I walked slowly through the market, where people________all kinds of fruits and vegetables. I studied the prices carefully and bought what I needed.

A. sell       

B. were selling

C. had sold                  

D. have sold

—Why do you want to work for our company?

—This is the job that I ________for.

A. looked 

B. am to look

C. had looked 

D. have been looking

Joseph________to evening classes since last month，but he still can't say“What's your name？”in Russian.

A. has been going           

B. went

C. goes                     

D. has gone

—Peter, where did you guys go for the summer vacation?

—We________busy with our work for months, so we went to the beach to relax ourselves.

A. were      

B. have been

C. had been      

D. will be

—I'm not finished with my dinner yet.

—But our friends________for us.

A. will wait                  

B. wait

C. have waited                 

D. are waiting