1．I'm not too k________ on jazz-on the contrary,I like rock'n'roll.
2．Do you own or r________ your video?
3．He was e________ chairman of the meeting.
4．You should be p________ for appointments.
5．He is old,but he is as i________ as a baby.
6．The company is very strict on enforcing health and safety ________(规则)．
7．How many of your classmates got the ________(奖学金)last term?
8．There's only one way to ________(解决)the argument,and they know it.
9．The painting ________(吸引)many people in the exhibition.
10．Young children will usually ________(竞争)for their mother's attention.