—How was that?
—I was chatting on line _____ the power went out.
A. because B. while C. as D. when
Our teacher always speaks slowly and clearly in class _____.
A. so as to be understood B. to have understood
C. so as to understand D. to understand
—Are you satisfied with the answer?
—Not at all. It couldn't have been ______.
A. worse B. so bad
C. better D. the worst
By the time Mr Wang returned home from Beijing, his son's wedding _______.
A. ended B. has ended
C. had been ending D. had ended
So _______ that everybody wants to take a photo with him.
A. a wellknown man he is
B. wellknown he is a man
C. a wellknown man is he
D. wellknown a man is he
Not once has she given in to any difficulty in her life and that's _____ she is a strongwilled woman.
A. why B. when
C. because D. where
