完成下列句子。

This is a ________. （一辆绿色吉普车)These are ________. （红苹果)What are those？ They are ________. （黑色轿车)This is a picture of ________. （我们的教室)The girl _____ （穿红大衣的) is Lucy.The boy _____ （戴黄色帽子的) is Tom.This isn't ____ （我的) bike. ____ （我的) is over there.____ （看) the blackboard.Is this your pen？ ________. （让我看看)____ （什么颜色) are these oranges？ They are orange.