19.Three of us have walked for two hours,but ____of us feels

19.Three of us have walked for two hours,but ____of us feels tired.
a.all b.both c.neither d.none
20.There were _____people and _____noise in the street.
a.many,many b.much,much c.much,many d.many,much
21.“Have you any ink?” “Yes,I have ____in my bottle.”
a.few b.a few c.little d.a little
22.I had a bad cold; ____is why I didn’t come.a.that b.this c.these d.those