No gas leaks or fires were reported at the site at the time of the .
A: occurrence
B: appearance
C: beginning
D: happen
A: occurrence
B: appearance
C: beginning
D: happen
举一反三
- British farmers ________ by the BBC to be angry at the use of the expression couch potato. A: reported B: were reported C: were reporting D: have reported
- ____________ you are sure there are no gas leaks, don't light any matches. A: If B: When C: As D: Unless
- British farmers ________ by the BBC to be angry at the use of the expression couch potato. A: eported B: were reported C: were reporting D: have reported
- One of the things she (wrote) (about) (were) life on a small farm at the (beginning) of the century. A: wrote B: were C: were D: beginning
- Why was an airport forced to close down A: Because the blazes from the fires were too hot. B: Because the smoke from the fires were too thick. C: Because it was too droughty at the airport. D: Because it rained heavily there.