The reason for the party was _____ it was Sue’s birthday.
| A．because | B．that | C．because of | D．due to |
________ your letter, I would have set off two days ago.
| A．If I could have received |
| B．Should I receive |
| C．If I received |
| D．Had I received |
You ________ in person; a telephone would have been enough.
| A．couldn't have come | B．needn't have come |
| C．shouldn't have come | D．mustn't have come |
I felt surprised that anyone of his intelligence ________ such an easy test.
| A．might have failed | B．could have failed |
| C．should have failed | D．must have failed |
________ from the bright smile on his face, he ________ in passing the job interview.
| A．Judging; must have succeeded |
| B．Judging; might succeed |
| C．Judged; must have succeeded |
| D．Judged, might succeed |
—Please don't tell anybody.
—I ________. I promise.
| A．can't | B．don't |
| C．won't | D．mustn't |