问题
选择题
I wonder why Jack always gets good marks when he does only ______ the others.
A．half as much as
B．as much as half
C．half as many as
D．as many as half
答案
答案：A
考查倍数的表达：倍数+as+ad+as…,这里倍数是half，句意是：我想知道杰克为什么做的是别人的一半，怎么能得这么好的分数。可知是别人一半的工作，是不可数的，用much，选A。