It is not always easy to tell the right ______ the wrong.
It is not always easy to tell the right ______ the wrong.
I regret to say it is not always easy to do the right thing.
It is not always so easy to tell the white _________ the bla
It is not always so easy to tell the white _____the black.
It is not always easy for the public to see ______ use a new
be of It is not always easy for the public to see ______ use
The problem ______ it is right or wrong has not yet been dec
It is not alwaways so easy to tell the true __ the false
It is not always easy for the public to see _______ use a ne
It is easy to climb the hill 和 I found it not easy to get on
It is easy to get -__(接通) to the wrong person when you dial
It is not always easy to oneself amuse on holiday