---This dress was last year’s style. ---I think it still looks perfect ______ it has gone out this year.
A. so that
B. even though
C. as if
D. ever since
_______ is your mother, a teacher or a doctor?
A. What
B. Which
C. Who
D. whose
It’s up to you to decide _______ you’ll go there, by air or by road.
A.how
B. why
C. that
D. when
I don’t remember ________ he worked in that city when he was young.
A. what
B. which
C. where
D. who