47. She was disappointed _____ hearing the news that Chinese football team lost the first match in “World Cup”.
| A．at | B．in | C．of | D．With |
—Where did you get this book?
—I picked it up from a secondhand bookshop if you ________ know.
| A．must | B．will |
| C．can | D．shall |
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 |