Though having lived abroad for years, many Chinese still ______ the traditional customs.
| A．perform | B．possess |
| C．observe | D．support |
Cathy went to the hospital alone. If she had told me about it, I _____ with her.
| A．went | B．had gone | C．would go | D．would have gone |
Of all the books on the desk, ______ is of any use for study.
| A．nothing | B．no one | C．neither | D．none |
Sam _____ some knowledge of the computer just by watching others working on it.
| A．brought up | B．looked up | C．picked up | D．set up |
A new iPad in the market costs about ______ of a second-hand one.
| A．three timesofthe price | B．three times as much as the price |
| C．three times the price | D．three times more than the price |
By the time we arrived at the railway station, the train _________. As a result, we missed the train.
| A．left | B．is leaving | C．had left | D．leaves |