单项选择题
Many a man （） life is meaningless without a purpose.
A.thinks B.thinking C.have thought D.think
单项选择题 （） all the money people here spend eating out, restaurants' profit is still below five percent.
单项选择题 The wind was so strong last night that is tore the （）of the ship into two or three pieces.
单项选择题 I would have told him about the change of time for the class, （） to class last time.
