--______ are they?
--They are my ______.
| A．What, parents | B．What, parent |
| C．Who, parents | D．Who, parent |
He ran as fast as he could ______ the bus but he failed．（ ）
A．catchB．to catchC．caught
When is your birthday，Li Fang？
It's ______ July 26．（ ）
A．onB．toC．in
Who is the girl under the tree？
She is ______ classmate，Annie．（ ）
A．IB．meC．my
This book ______ by children．（ ）
A．lovesB．lovedC．is loved
I ______ to school on foot every day．（ ）
A．goB．wentC．has gone