there are many people in the park in the morning A exercising B to exercise
填充在people和in之间
人气：245 ℃ 时间：2019-08-19 15:56:01
解答
There are many people (A、exercising) in the park in the morning.
早上有很多人在这个公园里锻炼.
there be+主语+doing,有某人在做某事.这个句型要填动词的ing形式.
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