Question

【题目】He has ________ letters to answer and has to work from morning to night.

much

a great deal of

masses of

the number of

Answer 1

【答案】C

【解析】masses of相当于plenty of，意为“许多，大量”。A、B两项用于修饰不可数名词；the number of 意为“……的数目”，与题意不符。