He(visit) a very interesting lecture on a healthy lifestyle this week. physical exercise (help) her to feel and look better? teenagers' smoking (create) problems for their health. he is busy/he(write)an essay about smoking. she(not to join)a school tennis club yet. who(surf )the internet the whole day?
2does physical exercise help her to feel and look better?
3creates
4is writing
5hasn't joined
6is surfing