The snowstorm ________ our difficulties.
A. added to B. added up
C. added up to D. has added
．Why do you insist on buying a car ______ you have such good public transportation here?
A. because B. unless
C. when D. though
Thomas wants to know ______Nina lives.
A. where B. who
C. what D. if
Mr. Smith couldn’t open the door because his naughty boy _______ it from the inside
A. would lockB. was locking
C. has lockedD. had locked
．When you don’t know a word, you can _________ in the dictionary.
A. look it up B. set it up
C. give it up D. pick it up
My mother is English teacher in No. 2 Middle School.
A. a B. the
C. an D. /
