1 has gone （ 根据前半句可知人不在这里,故用现在完成‘ 去了某地了
2 bought ( yesterday 昨天,一般过去时
3 Will ,stay
或：
Are ,going to stay ( next wek下周,一般将来时
4 showing 现在分词作状语.
5 seen 现在完成时（ have + 动词的过去分词
6 did,do ( last week 上周.用一般过去时
7 are ,doing ( look是现在进行时的标志
8 was watching ( while 后接进行时,根据,jumped可知是过去进行时
9 won ( 2004 已过去,故用一般过去时
10 was watcing ( 根据：when ...可知用过去进行时
祝你假期愉快!加油!不明白再问!