介词题目`帮我做下`初一的题目哦``

to by
for
on
at
还是蛮简单的

to by

for

on

at

to the

a

on

to

Will Mr.Green go____New Yore____plane?
(to , by )

It's time______class now
(for)

Lucy usually goes to work_____foot
(on)

Let's meet_____the gate
(at)