1.There's a red car parking in our neighbourhood. Do you know ____ it is?
A.  what
B.  whom
C.  who
D.  whose

2.-- Nobody knows ____ she was after she graduated from Heilongjiang University.
-- But I was once told she was a worker working in a faraway factory.
A.  why
B.  what
C.  how
D.  where

3.-- Do you know ____ we'll get there at 4:00 this afternoon?
-- The car is running so slowly, I'm afraid we'll be late.
A.  that
B.  how
C.  why
D.  if

4.-- Can you tell me ____ you get on with your classmates?
-- I have told you many times ____ I get on very well with them.
A.  that;how
B.  how;that
C.  how;if
D.  that;whether

5.We want to know ____ she will come back.
A.  who
B.  when
C.  that
D.  where

6.I don't know ____ he will come or not.
A.  whether
B.  if
C.  which
D.  that

7.I followed him to see ____ he was going, and I was surprised when he went into the police station.
A.  why
B.  where
C.  whether
D.  how