1.I'm looking forward to going to the concert I hope Joe rem

1.I'm looking forward to going to the concert I hope Joe remembered ____ the tickets.
A.buy B.buying C.to buy
2.Now most people think___care of our environment____very important.
A.take,is B.taking,is C.takes,are D.to take,are
3.If you want to keep___,you must eat____.
A.healthy,healthy B.healthier,healthily C.healthy,healthily
4.-Daming can swim very well in the river.
-So___Sally.
A.do B.does C.can D.would
5.-How long does it take you____ from your home?
-I usually spend twenty minutes __ a bus to school.
A.to go to school,taking B.to go to school,to take
C.going to school,taking D.going to school,to take