Nowadays ______idea is always flashing across his mind that he should fix______time for another trip with his family.
| A．the；a | B．an；/ | C．/；a | D．the；/ |
During the meeting a young man cried out suddenly and threw his notebook at the chairman, _____brought the room to disorder.
| A．it | B．and which | C．and that | D．this |
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 |