These MP4s are more advanced, but they are ________ the previous ones in price.

She was about to go to bed when it suddenly _____ to her that she hadn’t turned off the gas.

The meeting was to_________ but the manager________ until twenty minutes later.

The experiment __      to be          .

It is said that Karaoke was invented in 1971 and then it ________ to the whole world.

Over the years the European Union has made great efforts to _______ the safety of food and protect the health of its people.

Be careful with the paper for it ____________.

I tried to call up my relatives in Kyrgyzstan where an unrest(动乱) was going on, but couldn’t _________.

 He was born in Beijing and _____ by his grandma in a seaside village.

 People _____ much more by their gestures than by their words.

 Whoever leaves the lab last, _____ all the lights are turned off.

Although the teacher did not mention any names, everybody knew who he was ____.

Tell the boy to ______ all lights as he leaves the room.

Mr．Smith is a good teacher except that he          some of his students by criticizing tbem whenever they make a mistake．

 .Everytime I_______a foreigner, I will seize the opportunity to practise my spoken English.

 ---Many species are now in danger of dying out.----True.Measures should be______to protect them right now.

The microphone _______ them to keep in touch; in other words, it made it possible for them to contact each other.

I bought a new house and the kitchen is _______ with all the necessary modern facilities.

In the north people sometimes tie straw ropes (草绳) round the trees in winter to ______ them from the cold.

When will you ___________ the entrance examinations, next June or next July ?