题目

To improve your health, you can      25 to 30 minutes three or four times a week to do simple things such as walking, cycling or running. A．give off          B．turn down          C．take over           D．set aside 答案：D___, I have never seen anyone who's as capable as John. A. As long as I have traveled    　　   B. Now that I have traveled so much C. Much as I have traveled      　　　  D. As I have traveled so much