This is an English pen

is ,an,book,english,this This is an English pen This is an English car.对an English提问 This is an English car.对an English car 提问 This is an English(改为复数句) There is an English p____ this evening This is not an English d_____.是什么意思? 根据句意填单词.This is （ .).she is an English girl. this is an english book( )that is pen This is an interesting English book如何改为感叹句 This is an English book 改成一般疑问句 Is this an English book?改为复数句 this is an English book 改为复数句 This is an English book.(改为一般疑问句） This is an English map 改为复数形式 Is this an English stamp做否定回答. This is an English book (改为一般疑问句) This is an English book 对划线部分提问 _____________it?