问题
选择题
You ______ pass the exam if you study hard. [ ]
A. won't be able to
B. were able to
C. will be able to
D. are able to
答案
答案：C
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You ______ pass the exam if you study hard. [ ]
A. won't be able to
B. were able to
C. will be able to
D. are able to
答案：C