问题
选择题
--- Do you take ______ sugar in your tea?
--- I used to, but now I’m on ______ diet. I’m trying to lose weight.
A．the; the
B．不填; a
C．不填; 不填
D．the; a
答案
答案：B
物质名词前一般不用冠词；be/go on a diet为固定短语，意为“控制饮食，节食”。Do you take sugar in your tea?你喝茶加糖吗？