用at， on， to， like， for， in front of， from填空．
11． What's the weather

like

like

in Shanghai？
12． A storm is coming

from

from

South China Sea．
13． Here's the weather report

for

for

tomorrow．
14． Mr． Smith has many pigs

on

on

his farm．
15． My father is cleaning his car

in front of

in front of

the house．
16． I get up

at

at

six o'clock in the morning．
17． We are eating dinner

in front of

in front of

the table．
18． It's raining． We can watch TV

at

at

home．
19． What can I do

for

for

you？
20． It's five

to

to

twelve in the morning．