Our classroom is very clean. Do you know who＿＿＿cleaned it?
| A．was it that | B．it was that | C．was it who | D．he was |
I told him it was a bad idea, but David was so ________ that he just never listened.
| A．ambitious |
| B．stubborn |
| C．energetic |
| D．outgoing |
— Mom, I'm so tired. I can't walk any farther.
—__________，my dear. You can make it.
| A．Come on |
| B．No worry |
| C．That's impossible |
| D．No problem |
— Do you know our town at all?
—Yes, this is the third time I ________ here.
| A．was |
| B．am coming |
| C．came |
| D．have come |
Dreams might mean nothing，________ new research finds many people in at least three countries believe dreams contain important ________ truths.
| A．and ；hidden |
| B．but；hidden |
| C．and ； hiding |
| D．but ； hiding |
It's no use __________ that you didn't know the rules.
| A．you pretend |
| B．you to pretend |
| C．of you to pretend |
| D．your pretending |