---Did they have a good time at the party?
---Judging by their smiles, they _________ have enjoyed themselves.
| A．might | B．must | C．could | D．would |
---The weather has been very hot and dry.
---Yes. If it had rained even a drop, things would be much better now! And my vegetables ______.
| A．wouldn’t die | B．didn’t die | C．hadn’t died | D．wouldn’t have died |
Part of the reason Charles Dickens loved his own novel, David Copperfield, was ______ it was rather closely modeled on his own life.
| A．what | B．that | C．why | D．whether |
It took me a long time before I was able to fully appreciate what they ______ for me.
| A．had done | B．did | C．would do | D．were doing |
---I’m sorry, but I don’t quite follow you. Did you say you wanted to return on September 20?
---Sorry, I ______ myself clear. We want to return on October 20.
| A．hadn’t made | B．wouldn’t make | C．don’t make | D．haven’t made |
Mothers holding jobs outside the home should have ______ schedules to make it easier to care for their children.
| A．heavy | B．smooth | C．flexible | D．complex |