用所给词的适当形式填空
1．My English teacher is very________(help) to me.
2．Mr. Smith and his son used to ________(smoke)，but they don't smoke now because they think it’s unhealthy.
3．Eating some pears is ________ (help) to your cough.
4．Jim was ________ (silence) because he had a bad throat.
5．Our English teacher is very _____
___ (humor). She always makes her students happy.
答案
1. h
elpful 2. smoke 3. helpful 4. silent 5. humorous
