―Why? Where is the key to the sound lab?
―Dear me! You _______ it in the taxi！
| A．have never left | B．never left |
| C．haven’t left | D．didn’t leave |
The bus ________ with a loud noise of its tyres when the light turned red.
| A．pulled up | B．put up |
| C．pumped up | D．picked up |
To ________ the web page, you press this button, which makes the most recent information appear.
| A．refresh | B．promote |
| C．tear | D．adopt |
——Do you know what your problem is?
—Yes. I always overwork to ________ for lost time.
| A．sit up | B．keep up |
| C．make up | D．hold up |
Don't park your car here, please. It'll ________ the traffic.
| A．turn up | B．hold up |
| C．stand up | D．get up |
Only after he was brought to the police station did the young man ________ he had stolen some purses from other passengers.
| A．participate | B．realize |
| C．summarize | D．acknowledge |