警察告诉孩子们在街上踢足球有危险。

The police told the children ________ ________ ________ play football in the street.

房前的那棵大树耸立在那儿已有好几百年了。

The big tree in ________ ________ the house has stood there for ________ ________ years.

一位友好的女孩给我指明去第一人民医院的路。

A friendly girl ________ ________ ________ ________ ________ the first people's hospital.

这幢房子对于三口之家来说实在是太大了。

The house is ________ ________ ________ a family of three to live ________.

赶快，否则你就会买不到看海豚的票了。

________ ________, ________ you won't buy the ________ ________ the dolphin show.

最大的市场在左边沿街约150米处。

The biggest market is about 150 meters ________ the street ________ ________ ________.

据说动物园里的熊猫生了一只小熊猫，下星期我们去看看好吗？

It was said the panda in the zoo ________ ________ a baby panda. ________ ________ go and see it next Sunday?

因为他是班上最高的，所以他不得不坐在教室的后面。

He is the tallest ________ in his class. So he has to sit in ________ ________ ________.

当火车行驶时，不要把头伸到窗外。这很危险。

Don't keep your head ________ ________ the window when the train ________ ________. It's dangerous.

当你掉进河里时，你必须把嘴闭上。

When you ________ ________ the water, you must ________ your mouth ________.