Your opinion：Our performance was poor.You say：Would you agree that on the whole， our performance wasn'；t very good？You have used the strategies（）to be more polite.

Your opinion：Our performance was poor.You say：Would you agree that on the whole， our performance wasn'；t very good？You have used the strategies（）to be more polite.
A.No.1 Avoid negative adjectives by using a negative verb with a positive adjective.
B.No.2 Reduce the strength of what you say， e.g.extremely - rather.
C.No.3 Turn a statement into a question.
D.No.4 Use general and cautious language， e.g.on the whole， in general， tend to， might， etc.
正确答案：No.1 Avoid negative adjectives by using a negative verb with a positive adjective.No.3 Turn a statement into a question.No.4 Use general and cautious language， e.g.on the whole， in general， tend to， might， etc.