Working with the medical team in Africa has_________the best in her as a doctor.
held out
brought out
picked out
given out
People______better access to health care than they used to,and they're living longer as result.
will have
have
had
had had
Jim has retired, but he still remember the happy time _______ with his students.
to spend
spend
spending
spent
The little problems ______ we meet in our daily lives may be inspirations for great inventions.
that
as
where
when
The national park has a large collection of wildlife, _________ from butterflies to elephants.
ranging
range
to range
ranged
In the 1950s in the USA, most families had just one phone at home, and wireless phones _______ yet.
haven't invented
haven't been invented
hadn't invented
hadn't been invented