.
Had you joined the caht room ten minutes ago, you would have known what we _______about then.
| A．had talked | B．have talked | C．talk | D．were talking |
—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
| A．can; must | B．can; may |
| C．must; can | D．may; must |
He certainly looked the part all right, he thought as he ______ himself in the mirror.
| A．looked | B．showed |
| C．admired | D．enjoyed |
He is looking for another job because he feels that nothing he does _______ his boss.
| A．satisfies | B．serves |
| C．promises | D．supports |
On the graduation day, he received from his father a nice present ______ a note was attached, saying “I’m proud of you.”
| A．on which | B．to which |
| C．with which | D．in which |
When his mother came in, the boy pretended ______.
| A．reading | B．being read |
| C．to read | D．to be reading |