Someone who lacks perseverance is unlikely to _______ a good researcher.
A powerful earthquake, _____ a magnitude of 6.3, struck the Indonesian island of Sumatra today, and at least 70 people.
Scientists are increasingly _____ that the earth is getting hotter because of carbon dioxide and other gases.
--Thank you for_____ fresh vegetables you gave me ! So delicious ! --- ____ pleasure.
After the long journey, the three of them went back home, ______.
I’m stuck with this problem; you may ask ______ knows better than I.