Do you believe _______ (walk)on Earth is much heavier than on the_英语解答

Do you believe _______ (walk)on Earth is much heavier than on the moon?
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人气：235 ℃　时间：2020-02-03 23:52:38

解答

walking;
believe后面是其引导的【宾语从句】而walking on the earth是【动名词短语】,在宾语从句中做主语.