幫忙find 字

如題
1.Personal things you own(hints:10 words)
2.Someone who doubts what others believe(hints:7 words)
3.To think about something because you're curious about it(hints:6 words)
4.Making a loud noise(hints:7 words)


這些問題是出自Upstream Elementary A2 Workbook UNIT
10b.

THX~~~