It just doesn't ________—why did you do such a thing!
| A．come to your senses |
| B．make sense |
| C．make sense of |
| D．see sense |
I wrote a letter to John for his help during my high school years，without which I ________ the college entrance exam.
| A．would fail | B．would have failed |
| C．should fail | D．must have failed |
________ me what you wanted to know, I should not have wasted my time talking so much with you.
| A．Had you told | B．You have told |
| C．You had told | D．Have you told |
Every time she was in trouble, she went to him for help, as he said he ________ do anything for her.
| A．should | B．must |
| C．would | D．might |
—Where did you get The Frog written by Mo Yan?
—I picked it up from a bookshop online if you ________ know.
| A．must | B．will |
| C．can | D．shall |
When I lived with my roommates in the university, we ________ often talk into the night.
| A．might | B．could |
| C．should | D．would |