问题

One can’t do extreme sports _________ he or she hashad some training
A:lot
B:amount
C:number
D:variety
B:amount
C:number
D:variety
正确答案是:
同类题型
Do you have a red apple—Yes , .
In the past ten years, there have been many changes in family life.— Are these changes ______?
Every morning, Mrs. Smith listens to the latest news _______ the radio.
I would have come to see you earlier, but I __________ too busy.
her retired in 2008, _____ he has been devoting his time to gardening.