【2012黑龙江齐齐哈尔】The math problem is so hard. I really don’t know_____. A. how to do it B. how to do C. what to do it
—What do you think of the NBA basketball match last night? --It was__,I really enjoyed it.
I am tired after the long walk.I want to have a __.
---Where is Grace? ---She __in the yard.
After practicing for several months,I can swim much__now.
--__do you go to the English club? --Once a week.