—Who should be responsible for the accident?
—The boss, not the workers.They just carried out the order .
| A．as told | B．as are told |
| C．as telling | D．as they told |
-- I spent three hours buying a train ticket at the railway station the other day .
-- Why ? You __________ one on the Internet or by phone .
| A．could have bought | B．must have bought |
| C．would buy | D．should buy |
The officer commanded that the supplies of food and clothes ______ to the flooded area.
| A．should send | B．be sent |
| C．were sent | D．would send |
Supposing you _________ the lottery, what would you do with the money?
| A．would win | B．have won |
| C．had won | D．won |
---What’s your comment on the match?
--- we ________, but today was not our day.
| A．need have scored | B．could have scored |
| C．should score | D．would score |
If my lawyer ______ here last Saturday, he ______ me from going.
| A．had been; would have prevented |
| B．had been; would prevent |
| C．were; would prevent |
| D．were; would have prevented |