Always acting in a strange way, Einstein must have ___appear to people around to be mad.
| A．shown | B．imagined | C．appeared | D．thought |
I refuse to accept the blame for something __________ was someone else's fault.
| A．who |
| B．that |
| C．as |
| D．what |
The old town has narrow streets and small houses __________ are built close to each other.
| A．they |
| B．where |
| C．what |
| D．that |
You'll find taxis waiting at the bus station __________ you can hire to reach your host family.
| A．which |
| B．where |
| C．when |
| D．as |
The prize will go to the writer__________ story shows the most imagination.
| A．that |
| B．which |
| C．whose |
| D．what |
The moment __________ John will never forget is __________ Mr. Smith gave him a lot of valuable ad-vice on how to improve his writing.
| A．that ； that |
| B．that ； when |
| C．when ； that |
| D．when ； when |