2 . Lila was often perceived as a shrinking violet in the community. She was shy and ______, always standing on the sidelines at social gatherings.

A．competitive

B．confident

C．vacant

D．modest

4 . 词性转换
1. attract v. 吸引，引起……的兴趣→________ n. 吸引，吸引力→________ adj.吸引人的，引人注目的
2. compete v. 比赛，竞争→________ n. 比赛，竞赛→________ n. 竞争者，对手→________ adj.竞争的，有竞争力的
3. occasion n. 场合，时刻→________ adj.偶然的→________ adv.偶尔地
4. admit v. （不情愿地）承认→________ n. 承认；接纳；入场费
5. lose v. 失去，丧失→________ n. 失去，丧失→________ adj.丢失的；迷路的
6. retire vt.&vi.退休→________ adj.退休的→________ _ n. 退休
7. exist v. 存在，实际上有→________ adj.现存的→________ n. 存在
8. interact v. 互动→________ n. 互动；相互作用→________ adj.互动的，相互影响的，互相配合的

5 . ________ people want to be the best at everything.

A．Competitive

B．Informal

C．Confused

D．Average