This skirt is（ mine).就括号部分提问.I am a teacher.(改为一般疑问句）---- --

This skirt is（ mine).就括号部分提问.I am a teacher.(改为一般疑问句）____ ____a teacher.3.It's time for lunch.(改为同义句）.It's time ____ ____ lunch.4.The book is(on the desk).(就括号部分提问）.____ ____the book?5.Their skirts are (yellow).(就括号部分提问）.____ ____are their skirts?