Learning how to study English well takes a long time .(改为反意疑问句）
问题描述：
Learning how to study English well takes a long time .(改为反意疑问句）
Learning how to study English well takes a long time ,______ ________?
答
doesn't it?
动名词作主语,后用it代替
takes花费.是实义动词,后应加助动词does
前肯定,后否定