-- Do you know ________ her mobile phone? -- No, I think it cost her around 4000 yuan.
| A．when your sister paid for | B．how much your sister will pay for |
| C．how much your sister paid for | D．when did your sister buy |
Johnny ran very fast _________he could catch the early bus.
| A．so that | B．as soon as | C．some day | D．of course |
The Spring Festival __________ in January or February.
| A．celebrates | B．is celebrated | C．celebrated | D．was celebrated |
— __________ will the meeting start?
—In about ten minutes, I think.
| A．How long | B．How soon | C．How often | D．How far |
I ________ my hometown for a long time. I really miss it!
| A．left | B．went away from | C．have left | D．have been away from |
As it reported, it is 100 years _____________ Tsinghua University was founded.
| A．when | B．before | C．after | D．since |