Nowadays, many people walk to work, Copenhagen（哥本哈根）Conference calling for living a low-carbon life to cope with global warming.
A. in relation to B. in terms of C. in apposition to D. in response to
He has been working hard day and night, which, of course, his tiredness.
A. accounts for B. answers for C. applies for D. stands for
Could I do some explanations? I to call on you last night, but somebody came to see me just when I was to about leave.
A. would intend B. intended C. had intended D. was intending
His parents, , didn’t look after him very well—the elbows of his jacket and his boots were badly worn out.
A. generally B. apparently C. gradually D. precisely
After months of voyage, Columbus arrived in later proved a new continent.
A. what B. where C. that D. which
—Are you satisfied with what he has done?
—Not in the least. It couldn’t be .
A. So bad B. much better C. the best D. any worse
