问题
选择题
She looked unhappy because she had made ________ mistakes in the English test.
A．two scores
B．scores of
C．two scores of
D．score of
答案
答案：B
score 二十，前面有数词修饰时后面不能加s，如：two score 四十，短语：scores of 数十个，句意：她看起来不高兴因为她在英语测试中犯了许多错误。所以选B。