The rain was heavy and _________ the land was flooded.
| A．consequently | B．environmentally | C．previously | D．severely |
The hurricane damaged many houses and business buildings；______，it caused 20 deaths.
| A．or else | B．therefore | C．after aU | D．besides |
__________ fired, your health care and other benefits will not be immediately cut off.
| A．Would you be | B．Should you be | C．Could you be | D．Might you be |
So difficult____it to work out the problem that I decided to ask Tom for advice.
| A．I did find | B．did I find | C．I have found | D．have I found |
_______homework did we have to do that we had no time to take a rest.
| A．So much | B．Too much | C．Too little | D．So little |
Only then___________ how much damage had been caused.
| A．she realized | B．she had realized |
| C．had she realized | D．did she realize |