根据句意，用所给词的适当形式完成下面句子
【小题1】This is my pen. Please give it to ________ (I).
【小题2】I have two ________ (baby).
【小题3】Look! That is a ________ (China) car.
【小题4】It is __________ (my teacher) sweater.
【小题5】It’s time ________ (go) and play games.