The Somali robbers’ frequent attacks on the sea urged the United Nations to__________ allnations to take immediateaction..[ ]

The whole nation was __________ by the young generation’s excellent performances when the disaster happened. [ ]

Every possible means _______to prevent theair pollution, but the sky is still not clear.

It is_____ for her to finish that maths problem in such a short time, because she is so clever.[ ]

She prefers ______at home rather than _______out for a walk.