—Tom, you didn’t come to the party last night?
—I __________, but I suddenly remembered I had homework to do.
| A．had to | B．didn’t |
| C．was going to | D．wouldn’t |
—____inthisstreet? —IthinkMr.Blackistherichestman.
| A．Whom do you think is the richest man |
| B．Who do you think is the richest man |
| C．Do you think who is the richest man |
| D．Do you think whom is the richest man |
I haven’t found my watch yet;in fact,I’m not sure____I could haved one with it.
| A．where | B．whether | C．what | D．how |
I was advised to arrange for insurance____I needed medical treatment.
| A．nevertheless | B．although | C．in case | D．so that |
They were surprised that a four-year-old boy should work out such a difficult problem
____they themselves couldn’t.
| A．once | B．then | C．while | D．if |
I think you ought to end it____it is too late,or you’l lkill yourself.
| A．even if | B．before | C．so that | D．once |