He_____ articles for our wall-newspaper these years, and he____ about thirty articles.

— Have you called Mr. Johnson’s office?
— Yes, he _____ back before tomorrow. So he can attend our meeting on time.

— Did Alice enjoy the concert held in Grand Theater yesterday?
— Yes, she did. She _____ such an excellent concert for a long time.

For 800 years Oxford and Cambridge universities ______ in everything from Nobel prizes to boat races.

It is ten months since he ______ a doctor.

Their team ___ every match so far this year, but they still have two games to play.

---When _______for Guangzhou?
---Next Monday evening.

The president hopes that the people will be better off when he quits than when he      .

Mum, I was wondering if you could lend me a few dollars until I      on Friday.

---What did you do last weekend, Jack?
--- Well, I ____ to see a film, but in the end I stayed home doing nothing．