I had to call a taxi because the box was ______ than I’d expected.

There is _____ evidence that cars have a harmful effect on the environment.

She doesn’t care about what others think; She’s  not at all ______ to other people’s feelings.

When he is faced with a dilemma sometimes, he usually makes a/an ________ decision by throwing a coin.

The thief must have hidden somewhere in the _______ area．