_________ with the size of the whole earth, the biggest ocean does not seem big at all.
| A．compare | B．when comparing |
| C．comparing | D．when compared |
My sister met him at the Grand Theatre yesterday afternoon, so he ________ your lecture.
| A．couldn’t have attended | B．needn’t have attended |
C．mustn’t have attended | D．shouldn’t have attended |
—How is that, Joan?—Yeah, it’s from the boss. She _________ first, whether she likes it.
| A．shall go | B．ought to have gone | C．should go | D．must have gone |
_______ 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 |
—Who is the girl standing over there?— Well, if you _____ know, her name is Mabel.
| A．may | B．can | C．must | D．shall |
—They haven’t finished the work up to now.—Well, they________.
| A．should | B．should have | C．would | D．must have |