It is fashionable to drive a car, but to drive a car is not nearly as difficult as it is imagined on condition that you ______ the specialized rules.

Rick has learned a lot about Chinese culture he came to China.

下列各句中有语病的一句是(　　)

ing that _______ is not whether you fail or not,but whether you try or not

She is very hard-working, _____ he is very lazy.[ ]