_____ she was afraid at that time, she would say no to the plan.
I regret ______ those weight-loss pills, because I am now in hospital.
Walking and riding your bike count, and ______ .
Healthy eating along with regular exercise _______ important for your health.
Experts suggest that teenagers _____ at least 30 minutes exercising, five times a week.
As ______ matter of fact, Mr. Wang is in _____charge of this special school at present.