----Why does she always ask you for help?

----Why does she always ask you for help?
----There is no one else ____ ,is there?
A)who to turn to
B)she can turn to
C)for whom to turn
D)for her to turn
Is there a bookshop around ____ I can buy an English and Chinese dictionary?
A)which
B)where
C)that
D)what
Thank you for the great trouble ____ help me with my computer.
A)that you have taken to
B)you have had to
C)you paid and
D)that you have made to
He wrote 200 books,and some of ____have been translated into English.He wrote 200 books,some of ____have been translated into English.
A)which;which
B)them;them
C)which;them
D)them;which