A total of 264,302 people in the country were reported __________ with HIV by the end of last September.
| A．to have been infected | B．to be infected |
| C．to having been infected | D．to have infected |
-Where did you get this book?
-I picked it up from a second-hand bookshop if you __________ know.
| A．must |
| B．will |
| C．can |
| D．shall |
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 |
-__________ I turn on the TV for you, Grandpa?
-Yes, thanks a lot, my dear. You're so considerate.
| A．May |
| B．Shall |
| C．Will |
| D．Need |
With so much money, he __________ worry about a little thing like 5 cents ！
| A．can |
| B．must |
| C．may |
| D．should |
I __________ myself more-it was a perfect day.
| A．shouldn't have enjoyed |
| B．needn't have enjoyed |
| C．wouldn't have enjoyed |
| D．couldn't have enjoyed |