It is reported that two schools, __________ are being built in my hometown, will open next year.
| A．they both | B．which both |
| C．both of them | D．both of which |
It's really very dangerous. One more step，________the baby will fall into the well.
| A．or |
| B．so |
| C．but |
| D．and |
The manager has________to improve working conditions in the company.
| A．admitted |
| B．allowed |
| C．permitted |
| D．agreed |
All the preparations for the task________， and we're ready to start.
| A．completed |
| B．complete |
| C．had been completed |
| D．have been completed |
—I'm sorry I stepped outside for a smoke. I was very tired.
—There is no________for this while you are on duty.
| A．reason |
| B．excuse |
| C．cause |
| D．explanation |
—Would you like to go to the dinner party on Saturday?
—Thank you. I'd love to，________I'll be out of town at the weekend.
| A．because |
| B．and |
| C．so |
| D．but |