--- Who is the girl over there?--- She is my cousin and she is _ _ university student.A. a B. an C. the
Yao Ming is a famous basketball star_______ is playing in the NBA . A. which B. who C. when D. where
Whose guitar is this? Susan plays the guitar. It must _______.
_________that river ________very clean?
If I _______ you , I _______ do that .
I pretended ________her when I walked by.