用所给词的适当形式填空。每词限用一次。
value, drop by, greet, make an effort, knock
【小题1】He walked to me and _____ me with a big hug in the street.
【小题2】If you ______ your health, you will lose it sooner or later.
【小题3】Lisa ______ to study English well because she wants to be an international guide.
【小题4】Listen! Someone ______ at the door. Please find out who it is.
【小题5】The little boy with his parents ______ ray house many times, so they know the way very well.