根据汉语提示，完成句子。
（1）What do you do （在操场上）________ _______ ________?
（2）I found the milk ______ ______ _______.（在厨房里）
（3）How many ________（蜡笔）did you buy?
（4）Where did Tom lose his ________(尺子）？
（5）There are ________ （60个）children in the classroom.