2.(B) I know his father _ lives in America now. (A)whom (B), who (C)who (D)that
3.(A) The conditions _ these fine works were credited were usually of a most difficult kind.(A)under with (B)of which (C)on which (D)to which
4.(C) Who _ has read Shakespeare's beautiful peoms can forget their fascination? (A)whom (B)who (C)that (D)which
5.(D) He is _ is called a walking dictionary.
更新1:
5.選項 (A)which (B)that (C)who (D)what 麻煩幫我解析這5題 謝謝!