If you __________ attend the party , you'd better leave now.
Lots of campaigns have occurred in China to defend the Diaoyu Islands recently. What is your of the situation?
I’d appreciate ________ if you could let me know in advance whether or not you will come.
________ the difficult maths problem, I have consulted Professor Russell several times.
________ village where I was born has grown into ________ town.
Ralph W. Emerson would always ______ new ideas that occurred to him.