Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
Mike Perham,a 17-year-old British teenager, finished his solo round-the-world sailboat trip last week, becoming the youngest person in the world to that.
Think twice and time will _____what you have chosen is right or not .
Would you please ______ the paper for me and see if there are any obvious mistakes?
Both___ _ and ____ _ laughter do harm to your health.
We ______certain livings as birds not because they have long legs or short legs,but because they all havefeathers.