--- When did Lily’s brother finally stop drinking alcohol?
---It was in May ______ he was put into prison for drunk driving.
| A．that | B．since | C．when | D．before |
The only existing problem is ____ we can find this special wood in the forest in such a short time.
| A．when | B．where | C．that | D．whether |
The reason why they failed the test was ____ they didn’t sleep at all the night before.
| A．because | B．why | C．that | D．for which |
The nurse was very kind to the boy at first, but finally, her ____ gave out and she lost her temper.
| A．patience | B．violence | C．presence | D．independence |
Lucy was called to ____ her stupid deeds the night before, but she couldn’t remember anything.
A. pay for B. leave for B. account for D. look for
The editor could have ____ the error before it was published; it was so obvious.
| A．added | B．spotted | C．gained | D．ignored |