Is your pen (in) her pencil-box?是否正确,作语法说明

Is your pen (in) her pencil-box?是否正确,作语法说明 改错：The pen in your pencil box is newer than it in my pencil My jacket is white.Her is blue.The pen is in the pencil box, is your pen in your pencil box (改为负数形式）__ __ __ in your penc There is only one ball pen in the pencil box. your,and,are,in,pen,the,pencil box,not,pencil连词成句 连词成句your,and,are,in,pen,the,pencil box,not,pencil What's in your pencil-box?____a pen,two pencil and several r Her watch is in the pencil box .(改为一般疑问句) There is a pen and 2 pencils in the pencil-box.(就a pen and 2 ——May your pen be in your pencil-box?——Ah___ I t＿ your ruler is in the pencil box.