His parents           for over 40 years and they love each other very much.

Though I ___________ the phone number many times, the foreigner couldn’t write it down.

---Who cleaned the blackboard yesterday, Dick?---John ____.

As we all know, it’s not polite to keep others _________ for a long time.

 —Susan ,you are doing worse. You have to _____more _____ your study than computer games.—Yes. I must control myself.