The pencil boxes are hers?对 hers提问

The pencil boxes are hers?对 hers提问 How many pencil boxes are mentioned? pencil-boxes What's in the bag?（）.Oh,they are pencil-boxes. Are these her pencil boxes?(改为同义句) Are_______pencli boxes_________? 连词成句black,those,boxes,are,pencil _____________________________? 1.Are these the twins pencil-boxes?2.Where is his shose,do you know?句子改错 pencil boxes是什么意思 my keys are (in grandparents' room).对括号部分提问the pencil boxes are in the bag.（改为一般疑问句并作肯定回答） Is there a pencil and two boxes on the desk?的答句应该是什么?A.Yes,there is.B.Yes,there are. -What are those?-They are pencil-boxes.(改为单数句） There are some___in these__.a.knifes...pencil-boxes b.knives...pencils-boxc.knives...pencil-box d.knives...pencils-boxes选择D对吗? There are some ( ) in these ( )选项：A.knifes.pencil-boxesB.knives.pencils-boxC.knives.pencil-boxD.knives.pencils-boxes The students have （different erasers） in their pencil-boxes 对括号里的进行提问.（ ）（ ）the students（ ）in their pencil-boxes there are some rulers in our pencil boxes(变成单数形式)there_ _ _in_pencil__shi heng xian Those are my ( ).A pencil B boxes C watchs D pens Some boxes are on the desk.和The boxes are on the desk.一样吗. Where is my pencil-box （改为复数形式）改：where are my pencil-boxes?为什么改为复数形式,原来的is要用are pencil-boxes 为什么要加上