11. Have you seen Henry lately? My boss wants to know ______ .

A. how he is getting along                                 B. how is he getting along

C. what he is getting along                                 D. what is he getting along

12.I don’t know how to get Susan to give up smoking, but I’m going to do it ______ .

A. in any case                                                  B. in no case

C. by some means                                            D. by no means

13. Human beings ______ a lot to the birds and beasts who eat insects.

A. oblige                                                          B.owe

C. thank                                                          D. gratitude

14. ______ , the worse I seem to feel.

A. When I take some medicine                           B. The more medicine I take

C. Taking more of the medicine                          D. The more medicine taken

15. He spoke so ______ that even his opponents were impressed by his words.

A. frankly                                                        B. clearly

C. convincingly                                                D. loudly