.Most business letters and governmentreports are the main situations _________ formal language is used. ^*

My shoes are cheaper than ________.

Having pictures to color will keep children ______ for hours.

Only then, _____we ____that the trapped miners were in danger when the flood water dripped into the tunnels.

Some families in the countryside were _____ poor _____ pay for the school. We should try our best to help them.