他绝望地寻找着幸存者。

He searches ___desperately for survivors.

他拼命地想赶上最后一班公交车。

He ___desperately tried to catch the last bus.

她绝望地抓着栏杆，害怕从高处摔下去。

She held onto the railing ___desperately, afraid of falling from the height.

她急需一杯咖啡来提神。

She ___desperately needs a cup of coffee to stay awake.