28. Peter’s mobile phone was left in a taxi accidentally, never __________again.

A. to find　　　　　　　　　　 B. to be found 　　　　　　　 C. finding　　　　　　　　　　 D. being found

27. If I had not stood under the ladder to catch you when you fell, you _________ now.

A. didn’t smile　　　　　　　　　　　　　　　　　　　　　　　　 B. won’t smile

C. wouldn’t be smiling　　　　　　　　　　　　　　　 D. wouldn’t have smiled

26. The theory is true _____ the hotter a body is, the more energy it gives off.

A. that　　　　　　　　　 B. when　　　　　　　　　　　 C. which　　　　　　　　　　　 D. what

25. --What does the model plane look like?

--Well, the wings of the plane are _____ of its body.

A. more than the length twice　　　　　　　　　　　　　　 B. twice more than the length

C. more than twice the length　　　　　　　　　　　　　　 D. more twice than the length

24. The fire was finally brought under control, but not _______ heavy damage had been caused.

A. before　　　　　　　　　　 B. after　　　　　　　　　　　　 C. since　　　　　　　　　　　　 D. as

23. ---Have you seen Bob recently?

---No, but I was told he _______ for a new job all through the summer.

A. has been looking　　　　　　　　　　　　　　　　　　　　　 B. had been looking

C. is looking　　　　　　　　　　　　　　　　　　　　　　 D. was looking

22. I’ve already told you that I’m going to buy it, ________.

A. how much does it cost　　　　　　　　　　　　　　　　　 B. no matter how it costs

C. however does it cost much　　　　　　　　　　　　　　 D. however much it costs

21. It was because he would get the chance to travel ______ he wanted to work as a tour guide.

A. that　　　　　　　　　 B. why　　　　　　　　　　　　 C. what　　　　　　　　　　　　 D. where

20. Only under special circumstances ________ not to wear their school uniforms.

A. are students allowed　　　　　　　　　　　　　　　 B. allowed are students.

C. students are allowed　　　　　　　　　　　　　　　 D. are allowed students

19. It is known that teaching little children is no easy job because it ____enough patience and care.

A. calls on　　　　 B. calls for　　　　 　 C. calls off　　　　　　　　　　　　　　 D. calls in