None of us had expected that the middle-aged scientist died ___ his writing uncompleted.

　 A. with　 B. from C. without D. through

Nowadays the roles of husband and wife are not as _____defined as before, especially when both partners work and earn money for the family.

　 A．clear　　　　　 B．clearer　　　 C．clearly D．more clearly

I’m sorry you’ve been waiting for us so long，but it’s still be some time　　 the meeting starts.

　 A. before　 　　　B since　 　　　　C till　 　　　 D after

------ Is your school life _____ of other teens?

------ In many ways, yes.

A. this　　 B. the same C. one　　　 D. that

-----What are you going to be when you grow up ？ -----I want to _______.

　 A. go to the sea 　 B. go to sea

　 C. work beyond the sea 　 D. go to Qingdao by sea

With a _____ of snow covered them, the small hills look very beautiful.

　 A. cloth　　　 B. blanket　　　　 C. bed　　　　 D. sheet

—No wonder you caught a cold. You 　　 out last night without a coat.

—I know how silly I was.

A. shouldn’t have gone　 　 B. mustn’t have gone

C. couldn’t have gone　　　 D. mightn’t have gone

In order to make our city green, ____.

　　A. it is necessary to have planted more trees B. many more trees need to plant

　　C. our city needs more trees D. we must plant more trees

She ______ behind the door in order not to be found. Two minutes later she was safe again.
 A. hold her breath     B. catch her breath
C. held her breath     D. lost her breath

Thomas Edison considered genius to be _____ one per cent inspiration and ninety-nine percent perspiration.

　　A. composed of　　 B. constituted in 　　C. consisted of　 D. comprised in