问题
选择题
—You didn’t seem to enjoy your meal very much.
—It’s not that. I am just ____.
A．on a diet
B．on diets
C．go on a diet
D．making a diet
答案
答案：A
“你似乎不爱吃肉”“不是，我在节食” be on a diet “节食”系表结构表示状态；go on a diet “节食”强调动作。 根据语境应是强调状态所以选A
