1．More than one official__________(serve) the people heart and soul，which makes the public satisfied.
2．She was hit on the head by a stone and lay there____(conscious)for a long time.
3．Eating habits vary__________country__________country.One man's meat can be another man's poison.
4．The police warned people to be__________guard against pickpockets during the Christmas rush.
5．She said Denny had received a__________(threaten)letter and asked me if I sent it.
6．School children must be taught__________to deal withdangers.
7．We were told that the man was involved__________the crime.
8．(2015年高考·浙江卷改编)Body language can give__________a lot about your mood，so standing with your arms folded can send out a signal that you are being defensive.
9．In many cities of China，if an ambulance is held________in a traffic jam，police will respond to the emergency.
10．—What are you busy__________？
—I am busy__________(make) the plan for the sports meeting.
