Lucy is ________ eleven﹣year﹣old girl and she goes to school on ________ foot every day.( )
an; the
a; /
an; /
a; the
We only planned the play for an hour,but in the end,we stayed for three hours.( )
watch
watches
to watch
watched
Helping others makes us very .( )
lonely
proud
lazy
harmful
I in the city since I left school.( )
live
will live
was living
have lived
The earth is a planet and it around the sun.( )
goes
go
will go
went
Don't stand too close to North Americans.You'd better give them more personal .( )
time
system
space
pity