.Europe has achieved more in controlling the AIDS virus than Asia in the past ten years, _________ the number of people infected with the virus is going up sharply.
At this moment,I cannot give you an answer yet.I’d like to spend___more time considering this problem
The situation persent is very difficult for the government___
—What do you think of the book? —Oh,excellent.It’s worth___a second time
It is___to include really high-quality illustrations
The chemistry teacher required the students___more attention___the lab clean