He__________unwisely, but he was at least trying to do something helpful．
| A．may have acted | B．must have acted | C．should act | D．would act |
—I’d like a pen which ________well.
—Will this one_______?
| A．is written; do | B．writes; work | C．writes; do | D．is written; work |
Praise is like sunlight to the human spirit； without _____we cannot flower and grow.
| A． it | B．them | C．that | D．which |
The school finally listened to the students’repeated request that they_______a seven-day holiday on National Day
| A．would spend | B．spent | C．spend | D．were going to spend |
He told me that by the end of this year they______together for twenty years．
| A．would work | B．had been working |
| C．will have worked | D．would have been working |