They don't study in the library谢谢了 they study in the library的否定回答是什么？？还有he often wears a special uniform的否定句是什么 跟肯定回答 特殊问句一般问句都是什么 ?? l have two blue pens这句话的特殊问句是什么？？问答的详细点能看清就哦了No, they don't .He doesn't often wear a special uniform.Yes, he does.Does he often wear a special uniform ?How many blue pens do you have ? ( two 划线）What do you have ? ( two blue pens划线）太感谢了。。。不客气……