Question

1. He has letters to answer. He has to work from morning to night.

   A. much          B. masses of

   C. the number of   D. a great deal of

Answer 1

l.B解析：句意：他有很多封信要回复，不得不从早忙到晚。letter是可数名词， masses of既可修饰可数名词复数，也可修饰不可数名词。A、D两项只修饰不 可数名词;C项意为“……的数量”。