—Has every student passed the final exam?
—No. Unfortunately, _______ three from each class have failed.
| A．no more than | B．at least |
| C．not in the least | D．at most |
He hesitated for a moment before kicking the ball, otherwise he ______ a goal.
| A．had scored | B．scored | C．would score | D．would have scored |
You can’t imagine that a well –behaved gentleman ______ be so rude to a lady.
| A．might | B．need | C．should | D．would |
— Write to me when you get home.
— __________.
| A．I must | B．I should | C．I will | D．I can |
I was really anxious about you. You _______ home without a word.
| A．mustn’t leave | B．shouldn’t have left | C．couldn’t have left | D．needn’t leave |
—I don’t think you should use the dictionary while reading newspapers.
—_____, but I can’t do without it.
| A．No, I should | B．Yes, I shouldn’t |
| C．No, I shouldn’t | D．Yes, I should |