---Where have you been?
---I got caught in traffic, otherwise I _______ here earlier.
| A．would be | B．have been | C．had been | D．would have been |
.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 |
.Great changes______in the city and a lot of factories______.
| A．have been taken place…have been set up | B．have taken place…have been set up |
| C．have taken place…have set up | D．were taken place…were s et up |