which is your pen

which is your pen的答句 Which is your pen?The pen on the shelf is my pen.问句里的which是对 Is this your pen? That is your pen that is your pen. 把下列句子改成复数The leaf is turning yellow.Which is your pen?What i Which is your pen是对句中哪个成分提问?Which pen is yours?又是对句中哪个成分提问? My pen is {broken} ｛ ｝｛ ｝with your pen? This not is your pen,your pen is white.改错 Is this a your pen? __(这儿)is your pen what is your pen colour