B: bike bus cheap walk foot car safe train fast plane far
C: 2.Healthy
3.vacation plans
4.transportation
5.invitations
6.personal traits
7.cooking at home
8.school trip
9.people we admire
10.life goals
P19-20学会运用
1·care(n./v.)careful(adj.)carefuly(adv.)
Please care for our environment.
He is a careful boy.
He often writes carefuly
2`danger(n.) dangerous(adj)
Don’t play in the street.It’s dangerous
We should protect the animals in danger
3`interest(n./v.) interesting (adj.)interested(adj.)
She takes an interest in singing .
I`m intereated in the intereating story.