How much shall I pay for the phone call? —You________. This is free of charge.

Betty is in Jinan her parents.

Peter had intended to take a job in business, but _____that plan after the unpleasant experience inCanada in 2010 [ ]

r to stop poverty, the World Bank has ______ its focus to providingtechnical assistance and long-term loans to developing countries.

Who is in the classroom—_______. Look! The students are playing outside.