35．The man was observed　　　 into the manager’s office and help himself to everything valuable．

A. slip　　　　 B. slipping　　　　 C. to slip　　　　 D. slipped

34．How disappointed the students were when　　 that their English teacher would not came to their English evening!

A. informing　　　 B. informed　　　 C. being informed　　　 D. to be informed

33．-Aren’t you fond of the pop singer’s songs?

-Not at all．He is screaming　　　 singing．

A. rather than　　　　 B. more than　　　 C. other than　　　　 D. or rather