This is you pen.这个句子哪错了,并订正.

This is you pen.这个句子哪错了,并订正. what is this?this is a pen.哪错了? who is you mathe teachei哪里错并订正 His pen is in backpack这个句子哪里错了? this is a white pen 根据这个句子提问 What’s this?This is a pen.哪里错了? 找出句子错的地方改正what,s you family name?is this your pen?＿yes,it,s. there is only one man can help you in this time：you这个句子怎么错了 This pen is yours.Here you are. This is his pen .could you please ( ) This pen is Tim 判断哪里错了 This is a alarm clock 这个句子哪里错了?..