单项选择题

So little （）about mathematics that the lecture was completely beyond me

A. I know    
B. I knew     
C. did I know  
D. do I know

<上一题 目录 下一题>
热门 试题

单项选择题
Some of them（） here for three days.

A. have arrived
B. have got
C. have reached
D. have been
单项选择题
You'd better hurry, （）you might be late for class.

A. or
B. and
C. unless
D. but
相关试题