At first the institute refused to purchase the telescope, but this decision was _____ revised.
| A．occasionally | B．consequently |
| C．successively | D．subsequently. |
They lived a hard life and were often made _______ for over ten hours a day.
| A．work | B．to work |
| C．to working | D．worked |
The country has _____ several wars in the past century and people there are still living a poor life.
| A．set down | B．joined in |
| C．added up | D．gone through |
The English teacher told us this morning that we _____ an exam at the end of this month.
| A．will have | B．would have |
| C．have had | D．had had |
Some students cheated in the exam, which _____ our teacher deeply.
| A．settled | B．ignored |
| C．recovered | D．upset |
The most important thing is to keep _____ when you get into difficulties.
| A．quiet | B．calm | C．still | D．silent |