It's ten years since I _____ to study English.( )
begin
began
has begun
have begun
The club members said it was one of the best compositions they____.
It was said that Lebron James _____the Most Valuable Player of the 2013 NBA finals.
By the time he was ten, Edison _________ experiments in chemistry.
It was the first time in my life that I _________ the Great Wall. You can’t imagine how excited I felt!
By the end of Last year, we _____ more than 1,100,000 cars.