问题描述：
英语动词时态、短语.请解释一下为什么要这样填空.
(1) life is like walking in the snow,Granny used to say,because every step_shows_
(2) the number of deaths from heart disease will be reduced greating if people_persuade_to eat more fruit and vegetables
(3) it is reported that many a new house _is being built_ at present in the disaster area.
(1) life is like walking in the snow,Granny used to say,because every step_shows_
(2) the number of deaths from heart disease will be reduced greating if people_persuade_to eat more fruit and vegetables
(3) it is reported that many a new house _is being built_ at present in the disaster area.
问题解答：
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