Father ____ for London on business upon my arrival, so I didn’t see him.
| A．has left | B．left | C．was leaving | D．had left |
Only after David was asked to pay more attention ______ repeating the same mistake.
| A．he avoided | B．did he avoid |
| C．had he avoided | D．he had avoided |
Having never met such a ______ situation, Mr. Green felt ______ and didn’t know what to do.
| A．confusing; confused | B．confused; confusing |
| C．confusing; confusing | D．confused; confused |
New evidence might lead to the conclusion ______ the young woman is lying.
| A．whether | B．if | C．why | D．that |
Steven didn’t follow the advice ______ by the villager and thus got lost in the forest.
| A．put out | B．put forward |
| C．being put out | D．being put forward |
The old man tried to save more money ______ he could contribute some to the flood victims.
| A．so as to | B．now that |
| C．so that | D．even though |