Apart from the urgent problems caused by wars and conflicts， the UN helps countries with other problems such as education， starvation， disasters， AIDs and other diseases.
| A．lack for | B．lack in |
| C．lack | D．lack of |
—Ouch! You 
hurt me!
—I am sorry. But I any harm. I to drive a rat out.
| A．didn’t mean; tried | B．don’t mean; am trying |
| C．haven’t meant; tried | D．didn’t mean; was trying |
I will be away for at least one year and I’d appreciate ______ from you now and then.
| A．having heard | B．hearing | C．heard | D．hear |
—Jack, your father has gone out without this umbrella!
—Well, take it easy. _________ he comes back for it.
| A．It is long before that | B．It won’t be long since |
| C．It will be long before | D．It won’t be long before |
Hearing the boring news, I was too distracted （心烦意乱）tomy attention on my homework.
| A．attract | B．draw | C．concentrate | D．pay |
Tom was ______ that he couldn’t understand ______ difficult sentence.
| A．so a stupid boy; such | B．a so stupid boy; a such |
C．so stupid a boy; a such |
D．so stupid a boy; such a |