---Whose book is it?---look! Jane’s name is on the cover(封面). It _________ hers.
I don't _______ the heat, for I'm used to hot weather.
_______the sun was not yet up, many people were already taking exercise in the square
—Jim, remember to return this book by Friday. —_______.
Mr. Wang has left for Guangzhou. He ____ a speech there in two days.
If my frirends have any problems, my door is ______ open to them.