-___ these books ___well?-No,none of them has sold out yet.A.Were;sold B.Have;been sold C.Are;sold D.Are;selling为什么不能选C呢?

英语These books are very ___(cheap). please ___ (choose) two from these books These books are yours.(用ours改为选择疑问句）___ these books yours _____ _______? these books sell well.look!we have ___ them ___.(售完) These books are very expensive.改为感叹句 ____ ___ ___ they are! 英语翻译I have ___ ___ books ___ ___. My best friend,Tom will come to dinner this eveningMy best friend,Tom___ ___ to dinner this eveningPlease give these books to your English teacherPlease ___ ___ ___ ___ ___ ___ Are these pens ___? Look ___ these slippers? These caps are ___? These are ___ ___ my books.怎么填?中文是 这些是我其中的一些书 Help him put the books in these ___(box)用词的适当形式填空 it is hard to find yours ___ these old books填空 ---Are those your books?---Yes,___.A.it is B.th---Are those your books?---Yes,___.A.it is B.these are C.they are We ___ ___ (learn)English these days. She ___(read) books and I ___(read) books. these books are different from those ones.（否定句）原因？these books aren't___ ___ ___those ones.按这个结构填 房间里到处都是杰克的书.Jack's books ___ ___ ___ ___ ___.