“Are you satisfied with his answer?” “Not at all. It couldn’t have been ____.”
| A．better | B．worse |
| C．more | D．less |
The apples taste ___ and sell ____.
| A．well, good | B．well. Well | C．good, well | D．good, well |
“Don't get near to it.It’s too dangerous!” “_____”
| A．Yes, I won't | B．No, I don't | C．No, I can't | D．No, I won't |
She was disappointed that most of the guests ___when he ___ at the party.
| A．left, had arrived | B．left, arrived | C．had left, had arrived | D．had left, arrived |
As a graducate in computer science, he ___ to work out the problem.
| A．wouldn't have failed | B．can't have failed | C．mustn’t have failed | D．might not have failed |
I don't think ___ possible to master a foreign language without much memory work.
| A．this | B．that | C．its | D．it |