单项选择题

Michael might have come to school in time for Professor Browning’s lecture （）

A. ff he got up earlier
B. unless he had got up earlier
C. but he had gotten up so late
D. but he got up rather late

<上一题目录下一题>

热门试题

单项选择题I had to get （） about the subject before I write the paper.

A. a few more informations
B. a little more information
C. a few more information
D. a little more informations

单项选择题Economies, several courses of which I have taken thus far, （） to be difficult but useful for almost all students.

A. prove
B. proves
C. have been proved
D. are proved