问题
选择题
----Would you like some more chicken?
------No, thanks . I am ______ a diet and try to _____ weight.
A．on, lose
B．on, put on
C． in , have
D．in , lose
答案
答案：A
考查短语搭配。句中be on a diet节食；lose weight减肥。句意：——你想来点鸡肉么？——不，谢谢。我在节食和减肥。