1. (2016·福州) 用方框中所给单词的适当形式填空．

you  choose  sun    photo    explain

1. （1） She took lots of beautiful  during her stay in Europe．
3. （2） Tom，believing in  is the first step on the road to success．
5. （3） Tomorrow will be ．How about going to Mount Gu for a picnic？
7. （4） The teacher kept  the use of the idiom to me until I understood it．
9. （5） He was facing a difficult  between staying with his family or working in Tibet．