They are Linda’s old shorts/These are my red socks.变单数句

They are Linda’s old shorts/These are my red socks.变单数句 They are old. lucy is five years old .Linda is ten years old.合并成一句 Linda is Lucy's . Lucy is five years old.Linda is ten years old.Linda is_____ Lucy's ____. I have two brothers . they are 13 ( ) this yearA years old B year oldC years' old D year's old Lucy`s ___ are Tom and Linda. And how old are they? Bob and Ben are Ann's ---- friends.They are all eight --------old.Bob is in Class. Linda is my s_____,she's only five years old. 偶是英语初学者.不懂!It is an old backpack 复数形式的是：These are old backpancks.还是They are old backpacks..还有,They 后边为什么是原型呢?那个They are old backpanck用不用加S? 连词成句 1.vacation,is,your,how,summer(?) 2.working,Linda's,isn't,phone(.)3.are,and,my,I,parents,a,on,vacation(.)4.visiting,uncle,having,they,fun,are,their(.)5.meet,friends,am,to,going,some,old,of,I,my(.)6.book,sitting,the,pool,boy,the,by,reading Linda and Mary are friends.Linda is American.Mary _fromLinda and Mary are good friends.Linda is an American girl.Mary ________from London.They ________ in the same school.Linda’s parents ________in a school.They teach English.They________ cooking a Linda is an eleven-years-old girl.改错.是不是该改为：Linda is an eleven-years-old’s girl. Emma,they are my friends,Linda,kim and jack 找错 emma,they are my friends,linda,kin and jack 找错 They are Bob and Linda.改为同意句 There are some m_____in the old man’s house.They often eat his food. It's our d________ to take good care of our parents when they are old.