高等教育 / 大学英语(二)
(单选题) D _ _ , I think, and the problems could be settled
A、 If you double your efforts
B、 So long as you keep up your spirits
C、 Making greater efforts
D、 A bit more efforts
A、 If you double your efforts
B、 So long as you keep up your spirits
C、 Making greater efforts
D、 A bit more efforts
参考答案：
佳题速递：