He is the only one of the students who __________a winner of scholarship for three years.
A. is B. are C. have been D. has been
The snowstorm ________ our difficulties.
A. added to B. added up C. added up to D. has added
Thomas wants to know ______Nina lives.
A. where B. who C. what D. if
—Did you see Peter and Mike?
— No, I saw ______of them.
A. neither B. either C. both D. none
When you don’t know a word, you can _________ in the dictionary.
A. look it upB. set it up C. give it up D. pick it up
— It's so cold today.
— Yes, it's colder than it was yesterday.
A. some B. more C. very D. much
