it is said that 81% of the ...
It is said that 81%of the ten year old girls ____(已经节食）at least once in the US.
人气：336 ℃ 时间：2020-01-27 14:57:48
解答
have a diet 表示节食,已经节食说明句子应该用现在完成时,要在have a diet 前面加上have,girls是复数形式,所以可以直接用have,不用变形了.所以答案是have had a diet.
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