You should not eat________24 hours.
| A．something in |
| B．nothing for |
| C．anything for |
| D．everything at |
We shouldn't ____________ litter on the ground.
A. throws
B. throw
C. threw
What can we do to make ____________ mother earth more beautiful?
A. us
B. we
C. our
We can plant more ____________.
A. trees and grass
B. tree and grass
C. tree and grasses
I like to go ____on Sundays.
A. fishing B. to fish C.fish
I get up ___7:oo___the morning.
A. at at B. at in C.in in