You’d better look up the new word in a dictionary____ you don’t know it.
A. if B. as C. though D. whether
Nobody ____ the answer now.
A. know B. knowing C. knows D. knew
I have some problems with my English writing. Can you give me some_____?
A. messages B. decisions C. information D. advice
— Whose pen is this?
— Oh, it’s_____. I was looking for it everywhere.
A. you B. yours C. me D. mine
The 18th National Congress of the CPC has been one of______things in our life recently.
A. important B. more important C. most important D. the most important
—_____is your mother ?
—A nurse. She works in a hospital.
A. Which B. What C. How D. Where
