—Didn’t you have a good time at the party?—Of course I did.As a matter of fact,I had such fun that time seemed to_____so quickly.
______ is know to all, china will be an________ and powerful country in 20 or 30 year’ time.
When I went in , they were ____ in a heated discussion .
The ________ for tonight’s talk is protecting the environmet.
You can't camp________you like these days. Many natural areas are now under protection.
The samples__________in quality but were general acceptable.