He ______ for Shanghai this Friday, and he wonders when the first train ______.
___________ with the size of the whole earth, the highest mountain doesn't seem high at all.
—____________ you_________ the editor at the airport? —No, he__________ away before my arrival.
You____________ television. Why not do something more active?
This photo of mine was taken__________ stood the famous high tower.
Some of you have finished Book One.________, you can go on with Book Two.