用括号内所给的适当形式填空.(teach,bus,friend,help,relax)

用括号内所给的适当形式填空.(teach,bus,friend,help,relax)
用括号内所给的适当形式填空.(teach,bus,friend,help,relax) 1.The people there are very _____.2.In the morning the _____ are quite busy.3.Can you _____ me how to swim?4.We feel very _____ afrer a long vacation.5.She is always ready _____ others.