_____ is it ____has made Tom _____ he is today ?

A. What, that, that　　　　　　　　　 B. That,what, that

C. That, that , what　　　　　　　　 D. What,that, what

What can we ______the heroes introduced in this unit?

________the working efficiency, the boss allows the employees to have a coffee break.

　 A. Improving　 B. To improve　 C. Having improved　 D. Improved

Our army is well _______ (装备).

What parents do and say will have great ______(影响) on children.

____ time going on, our school becomes greener and more beautiful.

A. Because of　　 B. Thanks to　　　 C. As　　　　　　　 D. With

--- Shall we visit Jim tonight?

　 --- OK. To make sure that he’s in, we’d better call him up 　　　.

　 A．in exchange B．in return　 C．in brief　　 D．in advance

It is often said that ____ teachers have ____ very easy life.

A. /; /　　 B. /; a　　　　　　　 C. the; /　　　　　　　 D. the; a

Don’t take it seriously. You’d better ______ a joke.

　 A. put it to　 B. treat it as　 C. regard it　 D. look upon it

Eating too much fat can _____ heart trouble and cause high blood pressure.
A. result from  　　 B. attend to  　　 C. contribute to 　　D. devote to