35.--What made him so upset?

--______she failed in her examination

A. What　　　　　 B. That　　　　 C. Because　　　　　 D. Whether

34. I always have so many things to____ when I come back to the company after a trip abroad.

A add to　　　　 B contribute to　　 C attend to　　　　　 D appeal to

33. The teachers ____themselves with planning out the work of the coming semester.

A. occupied　　　 B involved　　　 C employed　　　　 　　 D engaged

32.Some old people don’t like pop songs because they can’t _____so much noise

A. concern 　　　　　 B .tolerate 　　　　　 C. undertake 　　　　　　　 D. ignore