.
Class regulations require ____is the last to leave the classroom ___off all the lights.
| A．who; should turn | B．whom; shall turn | C．whomever; turns | D．whoever; turn |
Nowadays many parents are trying to either prevent their children from failure, or protect them from the knowledge ________ they have failed.
| A．that | B．when | C．where | D．which |
From the tears in Nedra’s eyes we can conclude that something sad _________.
| A．should occur | B．would have occurred |
| C．might be occurring | D．must have occurred |
But for my teacher’s help when I was in the senior high school, I ________ in Fudan University now.
| A．would not have studied | B．hadn’t studied |
| C．would not be studying | D．was not studying |
There will be a bow and arrow competition _________ to retell ________ the Plains Indians used to hunt for food.
| A．designed; what | B．designing; how |
| C．designing; what | D．designed; how |
I am too busy these days. I would rather all of you ________ next week for a dinner.
| A．come | B．came |
| C．would come | D．have come |