1 peter often ---(go)--- (swim) with his friends in summer填补空缺的
2 the little girl ---(want) her morther ---(buy)her a beautiful skirt.
3 how often ---he ----(practice )----(play)the violin?
4 it's eight o'clock.the students ---(have)classes.
5 iohn---(mot like)watching TV,he---(like)playing computer games.now he---(play）computer games.
how often ---you----(watch)TV?----(one)a week.
6 He does his homework every day.(改为否定句）
7 the greens go to the mountains on vacation "once a year".（对引号部分提问）
8 she didn't buy anything in the shop,（改为同义句）
9 It's "about five kilometers" from my home to school,（对引号部分提问）
10 how do you like this book?（改为同义句）