Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
現在完了形
0
%
0
0
0
Back
Restart
hear-heard
heard
Oops!
Okay!
buy-bought
bought
Oops!
Okay!
see-saw
seen
Oops!
Okay!
take-took
taken
Oops!
Okay!
go-went
gone
Oops!
Okay!
lose-lost
lost
Oops!
Okay!
give-gave
given
Oops!
Okay!
write-wrote
written
Oops!
Okay!
drive- drove
driven
Oops!
Okay!
sell-sold
sold
Oops!
Okay!
do-did
done
Oops!
Okay!
come-came
come
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies