Ⅰ.单句语法填空
1．A balanced (balance) diet and regular physical activity will help you keep fit.
2．Wang Peng sat in front of his restaurant feeling (feel) very disappointed.
3．Remember no one can get away with breaking (break) the law.
4．They are discussing the strengths (strong) and weaknesses of the argument.
5．Claire had her luggage checked (check) an hour before her plane left.
