Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
1A
0
%
0
0
0
Back
Restart
We are ___ the plane.
in
on
Oops!
Okay!
study 三单
studies
Oops!
Okay!
have三单
has
Oops!
Okay!
go三单
does
Oops!
Okay!
buy三单
buys
Oops!
Okay!
do三单
does
Oops!
Okay!
A monkey is ___.
on the tree
in the tree
Oops!
Okay!
fly否定
don't fly/doesn't fly
Oops!
Okay!
do否定
don't do/doesn't do
Oops!
Okay!
They are ___ the taxi.
on
in
Oops!
Okay!
She is ___ the bike.
on
in
Oops!
Okay!
The leaves are ___.
on the tree
in the tree
Oops!
Okay!
have否定
don't play/doesn't play
Oops!
Okay!
He is ___ the train.
on
in
Oops!
Okay!
go否定
don't play/doesn't play
Oops!
Okay!
The children are ___ the coach.
on
in
Oops!
Okay!
buy否定
don't play/doesn't play
Oops!
Okay!
There are some apples ___.
on the tree
in the tree
Oops!
Okay!
fly三单
flies
Oops!
Okay!
play三单
plays
Oops!
Okay!
You are ___ the ship.
in
on
Oops!
Okay!
动词什么时候变三单
主语是第三人称单数 时
Oops!
Okay!
play否定
don't play/doesn't play
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies