Tom and Helen are good friend 还是Tom and Helen are good friends

Tom and Helen are good friend 还是Tom and Helen are good friends Helen and her sister are in Tom'party.这句英语哪里错了,请改错. this is______(tom and helen)classroom.we are in the different class,and we have same teacher(5) 改错 Tom's Helen's brother.Helen is Tom's sister.（合成一句话）合成如下句型Tom and Helen ____ ____ and ____ . Please help______(you)to some chicken,Tom and Helen. Waht does Helen and Tom have?哪错了 有英语基础的来啊!1.These are (my pencils).(对框框部分提问)( )( )( 2.Are these watches?(变单数句子)( )( )( )( )3.Tom's Helen's brother.Helen is Bob's sister.(合成一句话)Tom and helen( )( )and( ).4.are,two,his,girls,these,siste 英语：同义句 Jack and Helen are classmates.JJack and Helen are ____ ____ ____ ____. 改错：David and Helen are sister and brother 按首字母填词 再翻译Helen`s cat c____ up a tree and couldn`t get down. Tom h____ her to carry it down.Helen was very happy and k____ him.That night he nailed a fish to the tree.He tought Helen`s cat would go up the tree to e____ the fish th Tom and jim are ( ) basketball Tom and I are good 看图,根据上下文情景完成对话.yangling:hi,helen.how are you?helen:fine,thank you,and you?yangling:i am going to buy some postcards.where can i buy them?helen:go to the big____ _____on river road.you will find a lot of postcards here.helen: Helen,Victor and Mary go to school every day.They are（ ）{首字母为a} student.快······ 句子重组 friends Helen are Linda Lily and （,.） Are Jeff and Helen her parents?翻译成中文! Both Bob and Helen are fifteen同义句 填空并翻译.Nancy and Helen are taking()their hobbies.