come to heel造句

1、He had only to speak one word and his dog would come to heel at once.
他只要叫一声，他的狗就会立刻跟在他后面。

2、If only he spoke one word, his dog would come to heel at once.
他只要招呼一声，狗就会立刻跟上来。

3、He refused to come to heel and had to be removed from the class.
他拒绝紧跟在后，不得不被班里开除了。