1. the labradoodle is a mixed-breed dog that hair instead of fur for warmth, making it a very attractive choice for allergic pet owners. have has having 2. too busy for her own good, sarah about drinking enough water. was negligent was neglecting neglected to neglect was to neglect 3. since the rise of his designs, frank lloyd wright an icon of modern architecture. has become became becomes had become would become 4. penelope on her homework when the doorbell rang. worked was working working 5. my aunt a root canal done yesterday because her tooth was rotten. will have has had have 6. by the time cynthia books the flight to iceland, she her sister about the visit. has called will has called calls will have called called 7. my cousins live in new york city. they really cool! am is are