go through.set down.set dowm.a series of .outdoors.on purpos

1.They went through our luggage at the customs.
海关人员仔细检查了我们的行李.
2.It is necessary to set down these additional rules.
有必要制定这些补充规则.
3.He set me down in a comfortable chair.
他让我坐在一张舒适的椅子里.
4.The post office will issue a series of new stamps.
邮局将要发行一套新邮票.
5.Children like to play outdoors.
孩子们喜欢在户外玩耍.
6.I came here on purpose to see you.
我特地来这里看你.
7.I am studying hard in order to pass the exam.
为了通过考试,我正在努力学习.