Evidence of a powerful volcano, which erupted under the ice sheet of West Antarctica around 325BC and might still be active now, __________ so far by British scientists.
Her forehead _____ hot. I’m afraid she is ill.
“Do you like the material?” “Yes, it _____ very soft.”
. He will never ______ anything if he doesn’t work hard.
He has spent little time on his lessons this term, so he _____ to fail the exam.
Don’t _______ your breath trying to persuade them; they’ll never listen.