Have you heard about Zhangjiajie Glass Footbridge？
Of course， it's built over a canyon in the Zhangjiajie National Forest Park．（ ）
A．300﹣meter﹣deepB．300﹣meters﹣deep
C．300 meter deepD．300﹣meters deep
Dad，I don't know this new word．
Well，you can ______ in the dictionary．（ ）
A．look up itB．look it up
C．look it around
May I go and play with Dick，Mum？
No，you can't go out ______ your homework is being done．（ ）
A．beforeB．asC．until
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