___ good, these cookies sell well.
| A．Smelled | B．Smelling | C．Being smelled | D．To smell |
I ______ her not to walk on the thin ice but she wouldn’t listen to me.
| A．suggested | B．warned | C．persuaded | D．admitted |
Do you understand the theory ______?
| A．that how the living things came into being |
| B．that how did the living things come into being |
| C．of how the living things came into being |
| D．of how the living things come into being |
If _____ for an explanation for an advanced camera, I would certainly find it difficult.
| A．to be asked | B．being asked | C．asking | D．asked |
George would certainly have attended the meetings, _____.
| A．has he not had a flat tyre |
| B．if he hadn’t a flat tyre |
| C．had he not had a flat tyre |
| D．if he hasn’t had a flat tyre |
He would have paid _____ for his fridge had the salesman insisted, because he really needed it.
| A．as much twice | B．twice as much |
| C．as twice | D．two times |