____ his homework, the boy went out to play games with his friends.
| A．Finished | B．Having finished | C．Being finished | D．To finish |
When Harry was at college, he ________ go to the reading room after supper every day.
| A．should | B．might |
| C．would | D．could |
Don't be angry with us. We ________ with you together, but we were busy with our final reports when you called in.
| A．would eat out | B．must have eaten out |
| C．should eat out | D．could have eaten out |
Your teacher ________ very angry at that moment because you talked back to her like that.
| A．should have been | B．must have been |
| C．must be | D．might have been |
Thanks to my teacher's valuable help, otherwise I ________ my college entrance exam.
| A．can't pass | B．hadn't passed |
| C．would not have passed | D．have not passed |
Oh, I'm not feeling well in the stomach. I ________ so much fried chicken just now.
| A．shouldn't eat | B．mustn't have eaten |
| C．mustn't eat | D．shouldn't have eaten |