1. solve vt.解决; 解答
例句:She exercised her intelligence to solve the problem.
她运用智慧解决了这一问题。
2. attend vi.出席; 致力于
例句:He is really too busy to attend to anything else.
他实在太忙, 无法分身。
3. affect vt.影响; 假装
例句:Will the changes in taxation affect you personally?
征税的变更将会影响到你个人吗?
4. maintain vt. 保持; 保养
例句:Don' t maintain your wrong opinion.
不要坚持你那错误主张啦。