Special attention should be paid ________ your words while you’re writing．

A．picking

B．to picking

C．pick

D．to pick

You must keep away from the man, who is ________．If you are ________ , please call the number 110．

A．dangerous; dangerous

B．dangerous; in danger

C．in danger; dangerous

D．in danger; in danger

80％ of the new English dictionaries ________ in the past ten years．

A．have been sold out

B．are being sold out

C．was sold out

D．had been sold out

Li Ming studied very hard．As a result, he succeeded ________ the entrance examination to college．

A．to be passed

B．in passing

C．having passed

D．to pass

This important lesson by Professor Wang teaches primary students how to ________ themselves from danger．

A．permit

B．prevent

C．prove

D．protect

I'm sorry, sir．Your recorder isn't ready yet．It ________ in the factory．

A．is being repaired

B．is repaired

C．has been repaired

D．hasn't repaired

Many animals have ________ during the long history of the earth．The most famous of these animals are dinosaurs．

A．died of

B．died out

C．died down

D．died away

After the actor told a funny story about his childhood, all the people burst into ________．

A．laugh

B．laughter

C．laughing

D．laughers

The box ________ a lot of coins, ________ an old Chinese one．

A．is containing; including

B．contains; includes

C．is containing; included

D．contains; including

We all believe that ________ 2010 Shanghai World Expo will be ________ success．

A．a; a

B．the;/

C．the; a

D．/; a