问题
选择题
The teacher was worried about the boys in her class, for they spent ______ time playing computer games.
A．large amount of
B．a large number of
C．a large amount of
D．large numbers of
答案
答案：C
题目分析：考查固定短语。 句义：老师担心那些男孩子，因为他们花费了大量的时间用来玩电脑游戏。A. large amount of 短语不对B. a large number of +复数名词 C. a large amount of+ 不可数名词D. large numbers of+复数名词，根据宾语是time不可数，所以C正确。