题目内容
根据汉语意思完成下面句子。
人们建议小朋友不能参与此类活动，除非有大人陪伴。(不要写join)
It is recommended that children ________ ________ in such activities, ________ ________ by an adult．
答案：not,participate,unless,accompanied
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题目内容
根据汉语意思完成下面句子。
人们建议小朋友不能参与此类活动，除非有大人陪伴。(不要写join)
It is recommended that children ________ ________ in such activities, ________ ________ by an adult．