W--------- you do,you must put your heart into it.
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2.Don’t worry.Somebody will p___ find it and return it sooner or later.
3.—“He may be dead then.” –“Yes,I s____ so.But I’m not sure.”
4.It’s our duty to protect our e____.If we make great c___ to protecting it,the world will become far more beautiful.
5.A big crowd of people were a___ by swimming and surfing.
6.How do you feel about c___ I think it’s the most exciting water sport.
7.K___ is more useful than money.We should try to learn more.