Where is my pen?I_____it.（b）A.should have lost B.must have lost C.would have lost D.might lose为什么不是d？

Where is my pen?It's_________(那边) where is my pen and bag是什么意思 where is my pen和where are my pen有什么区别? Where is my pen and pencil?还是Where are my pen and pencil? I can't____my pen.where is it?I can't find my pen.where is it? where ()my pen and my pencil?1,are 2,is my(dear)!where is my pen?为什么用dear where --- my CD and my pen?用is还是are?where --- my CD and pen?用is还是are? Where is my book Oh,I___(forget),it's in my school. Where is my pen?It's ( ) 空格处填啥? My pen is on the table.划线部分为on the table.就划线部分提问.请问答案是Where is my pen?还是Where is your pen? 连词成句 (pai new pen my Canada from is) (does pen live her pai where) 根据句子或对话意思及首字母提示,补全所缺的单词.1） --where is sydney ——it‘s in A____2) This is my new pen p____.3) China is a beautiful c____.4) ---where does your aunt I___?5) ---In Beijing.6) Does your friend c____ from Where is还是are my pen and my pencil box?有理Where is还是are my pen and my pencil box?有理由更好. ____that is my pen My pen is gone.My pen is lost.My pen is gone.My pen is lost. I write a letter to my pen friend every week.(同义句)I___ ___my pen friend This is ——pen.Where is——pen?A.his；you B.yourThis is ——pen.Where is——pen?A.his；you B.your；my C.I；her D.he；you