It is well known that Madam Curie won two Nobel Prizes for her scientific ______.
| A．adventures | B．inspiration | C．achievements | D．discoveries |
Mr. Smith ________ his pupils how to prepare for the test since 8 am, but no one listens to him.
| A．has told | B．is telling |
| C．has been telling | D．will have told |
—You probably won't need to call Joe, but take his number, just ________.
—Thanks a lot.
| A．at random | B．in return |
| C．in case | D．by heart |
If we ________ one of the other uploading approaches, the process would have taken longer than one hour.
| A．used | B．had used |
| C．should use | D．would use |
For Wang Shun，________ university graduate from China's less developed Guizhou Province，shopping online is ________ delight as she tries to keep pace with the lives of those in big cities.
| A．the；a | B．a；不填 |
| C．an；a | D．a；a |
The urge to go abroad for further study is strong, but it was not until last summer ________ I knew how powerful it could be.
| A．who | B．that |
| C．where | D．before |