①left(反义词)            ②post(名词)

③cross(动名词)          ④leave(第三人称单数)

⑤quickly(反义词)        ⑥correct(同义词)

⑦get off(反义词组)      ⑧one(序数词)

⑨bus(复数形式)         ⑩second(基数词)

①How does she go to school?            A. I live in Shanghai.

②Where do you cross the road?         B. Yes, she walks to school.

③When do you leave home?              C. She walks to school.

④Does Kitty walk to school?               D. At traffic lights or zebra crossings.

⑤Where do you live?                          E. At half past seven.

    What do you know about the sea? Some people have seen it, but others haven't. The sea looks beautiful on a fine sunny day and it can be very rough when there is a strong wind. What other things do we know about it?

    Of course, the sea is very large. In the world there is more sea than land. If you swim in the sea, you know that the water is salty. Rivers take salt from the land into the sea. Some places of the sea are more salty than other places. Do you know the Dead Sea? Fish can't live in it!

—At four .