问题补充:
Its 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:
A. work
B. will work
(答案→)C. worked
D. have to work
解析:考查虚拟语气:Its time that从句谓语通常用过去式表示现在或将来,或“should+动词原形”(较少见,且should不能省略),其意为“(早)该干某事了”。 time前有时有about和high修饰:句意:因为考试就要到了,正是你努力学习的时候了。用过去时表示虚拟语气。选C。