The soldiers have devoted s11 their time and effort to those trappedunder the fallen buildings.
Even if the treatment_______, there is still no magic medicine for patients in the late stages of all AIDS.
We hope that you can _______ practical ideas to deal with this problem.
The electricity was cut off by the storm, and thus all the lights_______.
_______me, he walked up to me, smiling.
--- I regret_______ you John has been fired. --- I can hardly believe my ears. He is such a fine worker.