—You didn’t wait for Mr. Smith last night, did you?
—No, but we ______. He didn’t return home at all.
| A．needn’t have waited |
| B．couldn’t have waited |
| C．didn’t need to |
| D．should wait |
.When and where to go for the on-salary holiday ___ yet.
| A．are not decided | B．have not been decided | C．is not being decided | D．has not been decided |
.The manager entered the office and was happy to learn that four-fifths of the tickets ___.
| A．was booked | B．had been booked | C．were booked | D．have been booked |
.This is Ted’s phone. We miss him a lot. He ___ trying to save a child in the earthquake.
| A．killed | B．is killed | C．was killed | D．was killing |
.The Olympic Games, ____in BC ,did not include women players until .
| A．first playing | B．to be first played | C．first played | D．to be first playing |
.——Do you like the material?
——Yes, it______ very soft.
| A．is feeling | B．felt | C．feels | D．is felt |