For more than a decade, experts from across the globe ________ on the cure of the disease that way.
Both teams were in hard training; _____ was willing to lose the game.
—Hi, this way, please. —OK.I sometimes have no sense of ______ when I arrive at the crossroad.
Ten years had passed. I found she had _______.
As _____ writer, he was _____ complete failure.
The operation is _____ success and the patient is now out of _____ danger.