Question

----Would  you  like  some  more  chicken?
------No,  thanks . I am ______ a  diet  and  try  to _____ weight

1. A.
   on, lose
2. B.
   on, put on
3. C.
   in , have
4. D.
   in , lose

Answer 1

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。