—Sir，could you please put out your cigarette？This is a smoke-free(无烟的)school．
—________．
| A．I’m sorry about this． |
| B．Not at all． |
| C．Sure．I’d love to． |
| D．Never mind． |
—Can you tell me ________?
— With Lucy’s help.
| A．when you did it so well | B．when did you do it so well |
| C．how you did it so well | D．how did you do it so well |
The 30th Olympic Games _________ in London soon.
| A．held | B．will be held | C．were held | D．have been held |
—Why don’t you go out to play, Rose?
—I’m afraid I can’t. I have much homework _________.
| A．do | B．does | C．doing | D．to do |
The cloth ___________ very soft and comfortable.
| A．smells | B．tastes | C．feels | D．sounds |
They were all very tired, but _______ of them took a rest.
| A．none | B．all | C．both | D．either |