_____! This is my pen. [ ]
A. Look
B. Look at
C. Ask
D. Answer
答案:A
— ________?
—No, you have to pay for them.
A.Are the drinks free
B.Do the drinks cost much
C.Are the drinks expensive
D.Do I have to pay for the drinks
人体是一个有机整体,其中心是()
A.六腑
B.经络
C.形体官窍
D.奇恒之腑
E.五脏