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1.my mother has been___(cook)since she came home 2.the girl

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1.my mother has been___(cook)since she came home 2.the girl said hello to me___(polite)
3.jodie enjoys___(tell)jokes very much
4.cathy is___in all the___things.(interedt)
5.it's necessary for you___(eat)three meals a day
6.jane didn't stop until she finished___(do)all her work
7.could you please sweep the floor?--____(certain)
8.nick got a camera on his ___(nine)birthday
9.lisa has a great ball___(collect)
10.thanks for___(help)me find my little brother
1.my mother has been___(cook)since she came home 2.the girl
同学,很高兴回答你的问题
正确答案如下:
1.My mother has been ( cooking )since she came home.
2.The girl said hello to me ( politely ).
3.Jodie enjoys ( telling )jokes very much.
4.Cathy is ( interested ) in all the ( interesting ) things.(interedt)
5.It's necessary for you ( to eat )three meals a day
6.Jane didn't stop until she finished ( doing )all her work.
7.-- Could you please sweep the floor?-- ( Certainly ).
8.Nick got a camera on his ( ninth ) birthday.
9.Lisa has a great ball ( collection ).
10.Thanks for ( helping ) me find my little brother.
解析:
1,现在完成进行时,强调动作的持续进行
2.修饰动词用副词
3.enjoy doing sth.喜欢做某事,固定搭配
4.be interested in;对...感兴趣,interesting 令人感兴趣
5.it is necessary for sb.to do sth.对某人来说做某事有必要,固定搭配
6.finish doing sth.完成做某事
7.certainly 当然
8.第九个生日,用序数词
9.用名词形式,收藏,收集的意思
10.thanks for doing sth.介词后面用动名词形式.
有不明白的请继续追问,