C ． as three times many as                   D ． as three times as

6.Bob feels that his composition is better than (      ) in his class.

A ． the other’s                                           B ． any other’s

C ． the other student                            D ． any other student

7.I had meant (      ) you about it , but I forgot to do so.

A ． telling                                           B ． to tell

C ． to have told                                   D ． having told

8.(      ) for their help, we would not have succeeded.

A ． Hadn’t been                                  B ． Had it not been

C ． It hadn’t been                                D ． Had been not

9.Not only (      ) a promise, but he also kept it.

A ． has he made                                  B ． he made

C ． had he made                                  D ． he had made

10.More and more adults in the rural areas (      ) in self-study programs.

A ． were believed to be enrolled

B ． believed to be enrolled

C ． were believed to enroll

D ． believed to enroll

11.(      ) an answer, John decided to write another letter to them.