Ответы и объяснения

2014-04-10T16:08:22+04:00
Martin called me last week but he hasn’t called me this week. 
3.They climbed three mountains last year but this year they haven’t climbed any.
4.Sara played tennis a lot last summer but this summer she hasn’t played it once.
5.You used the computer last term but you haven’t used it this term.
6.They watched TV every day last week but this week they haven’t watched it at all.