She wrote a month ago, ______ we’ve heard nothing.
| A．since when | B．before which | C．since that | D．after which |
The bus hit against a tree in the fog and __________ to the deep valley, with then passengers killed and twenty wounded.
| A．down did it roll | B．down rolled it |
| C．it down rolled | D．down it rolled |
2188 is a lucky number, ________ I suppose, that will bring us luck and fortune and will be loved by us all.
| A．it | B．one | C．which | D．that |
I told them not everybody could run as fast as you did, ______?
| A．could he | B．didn't I |
| C．didn't you | D．couldn’t they |
--Are you going to take part in the speech contest?
---__________It's too good an opportunity to miss.
| A．No problem! | B．That's for sure. |
| C．Why me? | D．Why bother? |
--- Would you mind not littering in the classroom?
--- ______. I’ll pick up the waste paper.
| A．With pleasure | B．Thanks |
| C．No, not at all | D．Yes, that’s all right. |