根据汉语意思，完成下列句子：

小题1:You had better _______ _________(放弃) smoking.

小题2:Mr. Lee is ill today, so I will give you the lesson ________ ______(代替)him.

小题3:The teacher was ________　________(对、、、生气) him because he was late for school again.

小题4:Please wait a moment, the doctor is _______ _______（检查）the patients.小题5:The baby is sleeping, please ______ ________(关小) the music!