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