Chinese is spoken _____ a first language ______ Chinese.
A. as; by B. as; in C. by; by
Mike, do you know which CDs belong to _______?
A. my B. ours C. us
It’s reported that a tiger escaped _______ the zoo yesterday.
A. in B. on C. from
The work is so difficult that I don’t know _______ to do it.
A. what B. how C. where
If I _______ you, I would stop looking for it.
A. am B. being C. were
— Who taught _______ French? — Nobody. She learned all by _______.
A. herself; her
B. she; herself
C. her; herself