It usually takes a trip home to bring one back to reality.
A.Usually one has to pay a visit to his home country before he knows that his home country is not as perfect as he imagines. B.Usually one has to take a trip away from home before he knows that his home country is not perfect as he imagines. C.Usually one has to pay a visit to his home country before he knows that his home country is more comfortable to live in. D.Usually one has to take a trip away from home before he knows his home country is really more comfortable to live in.正确答案A