—Hello, May I speak to Mr Black?—Sorry, he ______ Hong Kong for a meeting and he______ back in a week.
If you have any problem, you can _________me for help. Which is wrong?
Over the river there is ____________ bridge.
—I don’t know if his uncle ____________.—I think he ___________ if it doesn’t rain.
Canada is larger than _________ country in Asia.
There are millions of stars in ___________ universe.