Going on holiday not only __________you feel good while you’re there --- you reap the health benefits for months, new research shows.
Leave your key with a neighbor _______ you lock yourself out one day.
Small sailboats can easily turn over in the water ______ they are not managed carefully.
Most birds find it safe to sleep in the trees, but ________they have eggs or young chicks, they don’t use a nest.
You will be successful in the interviewyou have confidence.
I won’t call you, ________ something unexpected happens.