----I’m sorry, but there is no smoking on this flight.
----Oh, I _____ that. Sorry, I won’t again.
| A．don’t know | B．didn’t know | C．won’t know | D．haven’t known |
Journalists should always be in what they write.
| A．sensitive | B．accurate | C．urgent | D．humourous |
The British government often says that providing children withto the information superhighway is of great importance.
| A．prevention | B．protection | C．allowance | D．access |
Our English teacher is considerate, helpful, and warm-hearted, but sometimes she
Be angry at our silly mistakes.
| A．should | B．can | C．must | D．shall |
It’s too late to go to the basketball match now; , it’s beginning to rain.
| A．otherwise | B．besides | C．however | D．therefore |
Rising evidence suggests that the use of the vaccines(疫苗)will be effective tothe spread of common cold.
| A．interrupt | B．threaten | C．contribute | D．abandon |