they are ________ (twin) sister.

they are ________ (twin) sister. they are ________ (twin) sisters. what are those they are ________. They ________ math class today.They ________ an English class now.A.aren't having; are having B.don't have; have C.aren't having; have D.don't have; are having Nothing is difficult in the world if you put your heart into it,________?A.is it B.isn't it C.are they D.aren't they hate those ________ don’t help others when they are in trouble..I hate those ________ don’t help others when they are in trouble.A.who B.which C.what D.where They are good for me.改为否定句They are ________ ________ me. They are drinking wine,aren't they? They haven't ________ to buy a computer because they are not ________.A.enThey haven't ________ to buy a computer because they are not ________.A.enough money,rich enough B.enough money,enough rich C.enough money,poor enough D.money enough,enough poo Platypus and koala are also rare animals.They are ________ 填上适当单词：_______cherries are those?They are ________. Five-year-old children are too young to go to school,________?A．are they B．aren’t they C．were they D．have they 为什么不是B? 语法题,I suppose you are not serious,________?A.do I B.don't I C.are you D.aren't you这个什么情况下用don't ________,I should ask them some questions.A.Should they come to us B.If they come to usC.Were they come to us D.Had they come to usS They are chatting with other.（对划线部分提问） 　　_______ ________ they ________ 24. Does Mary have a round face? ( 作肯定回答) ________, she ________.25. She has a new bike.(改为否定句 ) She ________ ________ a new bike.26. They are English.(同义句转换) T hey are ________ ________.27. My sister is eleven.(对画 Sam and Amy are _______(argue) now.Amy says Sam _______(take) her T-shirt yesterday and he wanted to ________(wear) it.Sam says it isn’t ________(she) .Then Ms Smart says ________(they) T-shirts are on the line.Ms Smart washed ______(they) ,but she They will break the bridge,won’t they?The bridge ________ _________ ________by them,____ ________? They aren't ______ books .They are yours.(they)