_______, Sharon couldn’t find her lost wallet.
| A．As she might try | B．Might she as try |
| C．She might as try | D．Try as she might |
It is about 9∶30 pm. ________he comes back home after three evening classes.
| A．when |
| B．before |
| C．that |
| D．since |
It was in the lab _______was taken charge of by Professor Harris ________they did the experiment.
| A．which；that |
| B．that；what |
| C．whom；that |
| D．which；where |
________is it ________has made Peter ________he is today?
| A．What；that；that |
| B．That；that；what |
| C．What；what；that |
| D．What；that；what |
All workers in this factory are required to _______at the age of 60.
| A．resign |
| B．retire |
| C．restrain |
| D．retreat |
(2012年天津卷，2)The letters for the boss _______on his desk but he didn't read them until three days later.
| A．were put |
| B．was put |
| C．put |
| D．has put |