--_______ will the meeting last?
--_______ they reach an agreement.
A. How long; Not until B. When; Not until
C. How long; Until D. When; Until
Tom was ______ that he couldn’t understand ______ difficult sentence.
A. so stupid a boy; a such B. so stupid a boy; such a
C. so a stupid boy; such D. a so stupid boy; a such
I thought the number of the parents to attend the meeting would be ____. So I need more seat.
A. much fewer B. much bigger C. much smaller D. much more
—As we know it’s difficult to live in the foreign country.
—________if you don’t understand the local language.
A. Generally B. Naturally C. Exactly D. Especially
Every detail is worth paying attention to ___________ a better result.
A. achieving B. achieves C. to achieve D. to achieving
—Why didn’t you ask us for help when you were in trouble?
—I __________. I managed perfectly well on my own.
A. mustn’t B. needn’t to C. didn’t have to D. couldn’t
