Hardly _____ when the train suddenly pulled away．
| A．did they get to the station | B．had they got to the station |
| C．they got to the station | D．they had got to the station |
The fog was so heavy this morning that drivers could hardly ______ the
things just ten meters away from them.
| A．figure out | B．look out | C．make out | D．rule out |
I ______ a flu when I was on a spring outing with my classmates.
| A．caught up | B．picked up | C．took up | D．brought up |
The weather that day may not be as good as expected, in ________ case we will have to put off the event.
| A．what | B．that | C．this | D．which |
Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health.
| A．frequently | B．significantly | C．steadily | D．consequently |
—Jenny, I hate to say it, but you really must go!
—________.
| A．All right, if you insist | B．Not likely |
| C．Mind your own business | D．You must be kidding |