---Has Li Lei finished his work today?

--- I have no idea, but he ______ it when I saw him this morning.

A. had done 　　 B. would do 　　 C. was doing D. did

Once again he didn’t hand in his homework _____ he had been given enough time to do it．

　 A．in case　　 B．as though　 C．so that　 D．even though

____ of the land in that district ____ covered with trees and grass.

　 A. One half; are　　　　　　　　　 B. Two seventh; is

　 C. A quarter; is　　　　　　　　　 D. Two thirds; are

The mother got a bit ________, for her daughter should have come back home from school.

A. calm　　　　 B. eager C. impatient　 D. anxious

I met one of my students the other day. After several years, she changed a lot and looked different from ____ she used to be.

A. that　 　　　　　　　B. whom 　　　　　　 C. what 　　　　D. who

Are there any signs of human _______ on Mars?

A. settlement 　　　 　B. progress　　　　 C. development 　　 D. service　　　

He is the only one of the students who _______a winner of scholarship for three years.

A. is　　　　 B. are　　　　 C. have been　　　　 D. has been

一All but Johnson　　　 present at the meeting．

一Perhaps he was ill then,

A．was　 　　　　 B．were　 　　　 C．has been 　　 D．have been

She was surprised to find the fridge empty; the child _____ everything!

A. had been eating　 B. had eaten　 C. have eaten　 D. have been eating

3.    —We have booked a room for today and tomorrow.　　

—____, sir.

A. I’m sure　　 B. My pleasure　　　　 C. It’s all right D. I’ll check