―Have you finished your composition already?
   ―Yes. I _________ it in twenty minutes.
A. have finished         B. finished
C. will finish            D. had finished

He was _____ at the thought of the consequences of his bad action.

A. terrified B. terrifying C. classified D. patient

Once made out, the law must be carried out ______ any difficulty.

A．regardless of　　　　　　　 B．instead of　 C．because of 　　 D．in need of

Mark was a student at this university from 1999 to 2003，　　　　 he studied very hard and was made chairman of the Students’ Union.

A.during which time　　 B.for which time?　　　 C.during whose time D.by that time

Children’s brains can’t develop properly 　　　 they lack protein.

A. when　　　　　　 B. since　　　　　　 C. because　　　　　 D. unless

—Why is Tom absent?

    —He must be sick, _____?

    A. isn’t he         B. must he       　 C. is he            　　 D. mustn’t he  

Seeing the snake，the girl stood there，________.

A．frighten B．frightening

C．frightened D．frightful

—Why, you are wet all over!

—I _____ just now and I rushed all the way here.

A. was caught in the rain　　　　 B. was caught by the rain

C. caught the rain　　　　　　　 D. caught a rain

---Have all the mysteries been cleared up?

--- Almost. But ______ only one question ______.

A. there remains; answered　　　　　　　 　　 B. it remains; to be answered

C. there remains; to be answered　　　　　 　 D. it remains; answered

“Would you like tea _____ coffee?” “_____, thanks.”

A. or, No　　　　　　　　　　 B. and, Either

C. or, Neither　　　　　　　 D. and, Each