She must face up to _______ she is nolonger young

is the process ______ electric current is passedthrough a substance to cause a chemical charge

______ without friends ______ the most difficultchallenge for Chuck while living on the island.

However，at times this balance in nature is _______ resulting in a number of possibly unforeseen effects.

I think ______ is little possibility ______ she will be elected as monitor of our class.