根据句意,选词（组）填空
1.They have so _______(many/much) things to do to today.
2.Please wait for _______(a little/a few) minutes.
3.I am very busy.I have _______(few/little) free time.
4.Don't drink too ______(many/much).
5.I have _________(a little/little) money,so I can buy you a present.
6.Mike has _______(a few/few) friends here,so he is not happy.