用所给词的适当形式填空。
（1）Do you often memorize new words by(make) vocabulary lists?
（2）–You speak English very well. Who taught you? -Nobody, I taught (me).
（3）I heard the brave policeman had caught two ( thief ) in the street by himself.
（4）My mother often practice ( dance ) at home.
（5）We want to take a trip this summer somewhere in (east) China.
