15.　 I am busy, so I have to e_________ a housekeeper to look after my children.

14.　 It is a rule that our baggage should be i_______ by customs officers(海关人员).

13.　 Dave didn't r__________ to any of her emails, which made her angry.

12.　 Your mistake resulted in heavy l_______.

11.　 He showed no m_________ to his enemies.

10.　 It wouldn't do you any h___________ to get some experience first.

9. Very few people s___________ in losing weight and keeping it off.

8. Fresh fruit and vegetables c________ plentiful Vitamin C.

7. I'd a_____________ it if you let me get on with my job

6. People say that barking dogs don’t b________ .