–Do you know the man under the tree? --Sorry, I don’t know _______.
I read ___useful book in____ library ____hour ago.
Xi’an is one of ______capital _____in China .
Reading aloud is the best way English.
I left my keys in the room yesterday. I had to get ______the window.
—How often does the train run to Jinan ? —_____twenty minutes.