look!Lucy is playing table tennis with Lily on the playgroud.They____be Lucy and Lily.they havegone to Hangzhou.A.mustn't B.must C.can't

look!Lucy is playing table tennis with Lily on the playgroud.They____be Lucy and Lily.they havegone to Hangzhou.A.mustn't B.must C.can't 英语几个语法区别1：Lucy from China.Lucy is from China.Lucy comes from China这三个句子的区别2:Look at this group of people playing beach vollyball.这个句子为什么不在people后加are? Look!You can see Lucy playing soccer.为什么用playing,没有be动词啊 Look!How__(wonderful)he is playing Lucy is good at playing volleyball 改为同义句? Lucy is (playing the guitar)now.对划线部分提问 --Where is Lucy?--Look,（there is she /there she is) Lucy is good at playing vollyball.同义句Lucy _____ _____ _____playing volley. Look at Lucy’s farmily.What are they doing?Look!Lucy’s grandfather is 1 a newspaper.Her grandmother is watching TV.Her litter sister Gina is playing 2 her little cat.Her brother Frank is doing 3 homework.Her father is helping him 4 it.Her mother Look!The boys[ ]football together.A.playing B.are playing C.is playing选择 Look.Lucy is____a new red dress.She is beautiful today. Look Lucy is ___ a new bike today look!the girl (play/is playing )with a cat. Look!The dolphin is playing ___ a ball Lucy ( ) computer games when her brother phoned her .A.plays B.was playing C.is playing D.has played 是Look at this photo of lucy's还是Look at this photo of lucy?原题是—Look at this photo of ___!Is there a smile onher face?—Yes,and this photo is the best one of ___.A.Lucy's Lucy'sB.Lucy LucyC.Lucy's LucyD.Lucy Lucy's第二空也是同样 look!he is ___a puppy A playing B play with C playing with Dplaying for look!the boys_(play)over there.为什么是is playing而不是are playing.