用方框中所给词的适当形式填空。

source  lack  meanwhile  aware  occupy  comfort flee   accessible   urgent honour

When they saw the police car, the attackers turned and        .
The sun is perhaps the least expensive energy         we have.
Union members are continuing their         of the factory.
It is not so hot here, so you can sleep        .
Because of        money, Mary had to drop out of school at 10.
It is        for me to be invited to the ball.
Jim went to answer the phone.         , Peter started to prepare lunch.
Healthcare should be made         to everyone.
Now we should raise people’s          about environmental protection.
One hostage is in         need of medical attention.