【填空】fair unfair fairly unfairly 1.It's unfair hot day
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很高兴能够在这里回答你的问题,这道题的正确答案应该为:

【填空】fair unfair fairly unfairly

It's(fairly)hot day.

Both of her children are very(fair).They look beautiful.

truth true truly

I am( truly)grateful for all your help.

Most scientists think that(truth)black flowers do not exist.