第1个回答 2011-04-22
Students ought to take part in outdoor activities more frequently.
第2个回答 2011-04-22
Students should take part in extracurricular activities.
第3个回答 2011-04-22
Students should participate more in extracurriculum activities.
第4个回答 2011-04-22
Students should take part in more extracurricular activities本回答被提问者采纳