She was looking for her bicycle key _______ she thought she might have put it.
| A．wherever | B．whenever |
| C．at which | D．no matter where |
—Hello, John. This is Alice. I'm calling from work. How's your mother feeling?
—________. Mum is out of hospital, but she has to stay in bed a few more days.
| A．You're welcome | B．That was thoughtful of you |
| C．What a pleasure | D．By all means |
Don’t you know ______, my dear friend, it is you that she loves?
| A．who | B．which | C．that | D．what |
Who ________ a lady like Susan Boyle, once an ordinary woman in Scotland, would achieve overnight success at Britain’s Got Talent Show?
| A．might think | B．could think |
| C．could have thought | D．must have thought |
What will people die of in 100 years? If you think that is a simple question, you ______ attention to the revolution taking place in biotechnology.
| A．have not been paying | B．had not been paying |
| C．were not paying | D．will not be paying |
The government has taken some measures to solve the shortage of electricity, but it may be some time _________ the situation improves.
| A．since | B．when | C．before | D．unless |