This is the book()I have learned a lot.
A. to which
B. by whom
C. from which
第4题
A、How long may I borrow the book
B、How long may I lend the book
C、How long May I keep the book
第6题
第8题
A、when
B、whether
C、where
D、what
第9题
A、in
B、on
C、for
D、at
第11题