These natural parks are very important for preserving many animals, which would ______ run the risk of becoming extinct(灭绝的).
____ a lot of work to do, all the workers are not allowed to take their holidays.
____ I agree with most of what you said, I don't agree with all.
—Will you go camping this weekend? ----Just ____. If it rains, I will stay home.
—Why not take some medicine? ----Yes, I do,I have taken medicine for a whole week, but it doesn't seem to ____.
—Tom failed again in the driving test. ---Why not? Tom is ____ but a fool in driving.