怎样把陈述句：This is Lucy and this is Lily.用or改为选择疑问句LI

怎样把陈述句：This is Lucy and this is Lily.用or改为选择疑问句LI 把Is this your watch 改为陈述句把 Is this your watch 改为陈述句 Her name is Lucy.把陈述句改为一般疑问句并肯定否定回答 This is my new friend Lucy 应该怎样回答? 把下列陈述句改为感叹句 these flowers are so beautiful.the room is big.we have a good teacher.it is a very interesting.this question is very easy.the TV play is too long.the building is so tall.lucy's handwriting is very beautiful.my dog is 把陈述句变为否定句； This is an English book.Running is her favorite sport 怎样把陈述句变成感叹句 如何把陈述句改为一般疑问句?（英语）例如：this is your pen. is Dad my this friend Nancy .连词成句把它变为陈述句 Is this your aunt 谁能把这个句子改成陈述句 把反问句改为陈述句,This is me with my boots and umbrella.I am dry. This is my friend Lucy.She_____in Londou Is this pencil box?(改为陈述句) is this your coat?改为陈述句 Is this your computer?改肯定陈述句. is this your watch改为陈述句 Is this his schoolbag?改为陈述句 is this her pencil box?改为陈述句