When I was young, I always went to the cinema on weekends and _____ sit there happily for hours.
| A．should | B．could | C．would | D．must |
I like _____ in the spring when the weather is warm and everything begins to grow.
| A．this | B．that | C．these | D．it |
Is it to hold the 2010 World Exhibition _______ makes Shanghai the focus of the world?
| A．when | B．that | C．which | D．what |
We can never expect bluer sky unless we create less polluted world.
| A．a; a | B．a; the | C．the; a | D．the; the |
My headache is killing me．I it away．But now it’s getting worse and worse．
| A．think; is going | B．thought; was going |
| C．have thought; is going | D．had thought; was going |
---Rose, mind your step! Aunt Jane slipped over on the wet floor and broke her leg yesterday．
--- ___．
| A．It’ s none of your business | B．It doesn’t matter to me |
| C．Thank you for your reminding | D．I will remember your words |