【正文】
__________ six dogs. have have have have have has has has ? 按要求完成下列各句 ? 1. Nancy is watching TV in the sittingroom.(改為一般疑問句) _________ Nancy __________ in the sittingroom? ? 2. They are studying in the library. (改為否定句 ) They _________ ___________ in the library. ? 3. Tom does his homework on