问题:
--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
--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
--No wonder I"m not so good at writing. I need to practice a lot.
A. must
B. can
C. should
参考答案: