第1个回答 2021-05-06
改为同义句是Tom travelled through Europe on his own.
第2个回答 2021-05-06
同义句
Tom went to entire Europe for sightseeing by himself.
第3个回答 2021-05-06
Tom travel led by himself through Europe.
第4个回答 2021-05-06
Tom travelled on his own through the EU.
第5个回答 2021-05-06
Tom travelled alone all over Europe.