问题
选择题
—Sorry, I can't work out this problem.
—Try again, please.It's only _____ difficult. [ ]
A. a bit
B. a lot
C. a bit of
D. much too
答案
答案：A
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—Sorry, I can't work out this problem.
—Try again, please.It's only _____ difficult. [ ]
A. a bit
B. a lot
C. a bit of
D. much too
答案：A
