---Howaboutsomemoreicecream?  ---No,thanks.It’sverygoo...

问题详情：

 --- How about some more ice cream?

   --- No, thanks. It’s very good, but I have to _______ my weight, you know.

A. prevent    B. watch     C. refuse    D. keep

【回答】

B

知识点：动词和动词短语

题型：选择题