Question

--Writing is a skill, it looks easy but it        be difficult.
--No wonder I'm not so good at writing. I need to practice a lot.
A. must
B. can
C. should

Answer 1

B

本題考查情態(tài)動詞的用法。can會，能；must必須；should應(yīng)該根據(jù)句意“寫作看起來容易，但是它會很難。”故選B。