问题
选择题
My father is very busy these days. He has to do .[ ]
A. many work
B. many works
C .a lot of work
D. a lot of works
答案
答案：C
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My father is very busy these days. He has to do .[ ]
A. many work
B. many works
C .a lot of work
D. a lot of works
答案：C