1. them (介词of后使用宾格形式)
2. twice (twice a month 每月两次,表频度)
3. spends (every evening体现一般现在时,she体现三单; (in) reading spend....(in)doing...花费……做……)
4. to go (would like to do sth); swimming (go swimming去游泳)
5. aren't (on weekdays体现一般现在时)
6. is running (Look体现现在进行时,who做主语,谓语动词使用三单形式)
7. to do (want to do sth.); shopping (do some shopping购物)
8. sing (can为情态动词,后接动词原形); us (介词for后接代词宾格形式)
9. his (形容词性物主代词,后接名词father); His (名词性物主代词作主语)
10. members (one of +名词的复数形式)