There are floors in the building and my home is on the floor.
| A．twenty； fifteenth | B．twenty； fifteen |
| C．twentieth； fifteen | D．twentieth； fifteenth |
Mary plays light music _________ her free time to enjoy the beauty of music.
| A． |
in |
B． |
at |
C． |
on |
Tina can _________ her bedroom by herself. She doesn’t need her parents’ help.
| A． |
get up |
B． |
clean up |
C． |
cut up |
Running is getting popular. It is good for our health and it costs _________.
| A． |
nothing |
B． |
everything |
C． |
anything |
There is _________ river near our school. We never throw rubbish into it.
| A． |
the |
B． |
a |
C． |
/ |
Tony turns off the shower to save _________ while he is washing his hair.
| A． |
time |
B． |
paper |
C． |
water |