问题
选择题
It's high time that you _____ even harder at your lessons as the exam is around the corner.[ ]
A. work
B. will work
C. worked
D. have to work
答案
答案：C
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It's high time that you _____ even harder at your lessons as the exam is around the corner.[ ]
A. work
B. will work
C. worked
D. have to work
答案：C