Speaker A．.I like your sweater.It suits you very well.
Speaker B：_________It’s a present from my girlfriend.
Speaker A：She certainly has the taste.（）

Terri：Derrick，don’t you think you should take a vacation？Even one or two days would be fine.Derrick：__________There’s too much work.（）

A．I think so.
B．No way.
C．Count on me.
D．You don’t know.

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At the beginning, how did many scientists view Peppeberg's work?A． It would reveal a creature's mind.B． It would probably end in failure.C． It would be hard to judge its value.D． It would be a long-term project. 点击查看答案