1.katrina only eats junk food once a week (because it isn 't good for health)同上
2.my mother reads english books about (twice a week)同上
3.she should eat something hot.否定句
4.i have a stomachache.同上 ----the----with you?
5.the black are staying in beijing (for two weeks).对括号提问
6.john will go to visit the great wall (in three days).对括号提问
7.the boy plays computre games (twice a week).对括号提问
8.we are going to hainan for vacation (next week).对括号提问
9.she went to beijing on vacation with( her parents) last summer.对括号提问
10.they are going (to hong kong) for vacation this summer.对括号提问
11.mary is going to meet her friend (at the school gate at 8:00).对括号提问
12.i wish you'll have a good time on the beach.同义句