--why don’t we choose that read to save time?
--The bridge to it ________.

Had the weather been good, the children ____ out for a walk.

The vase ____easily. Be careful when you handle it.

Some of the wolves there _________ their fur.

Stop! You can never touch this machine when it ________, it is very dangerous.

It was the first time we _______ a film in the cinema together as a family.

By the time these books were published,  he _____ addicted to them.

By the time Fred gets back home, his girlfriend       for London to study.

—— May I see you at 4 o’clock this afternoon?
—— I’m afraid not, I      a charity meeting then.                                                                                                                                           

How to control housing price is said to       a great challenge facing the government over the past few years.