题目内容
选择括号中所给词的正确形式填空。
Mr. Brown lives on the fourth ________ (floor, floors).
May I take a message for ________ (he, him) ?
Listen! Someone is ______ (knock, knocking)at the door.
Just as the young man reached the top, the moon ______ (breaking, broke) from behind some clouds.
When they saw this, they ______ (call, called) out to Father for help.
This is ______ (my, mine) book. Yours is over there.