We arrive at six. But I’m sorry we are late.

They ______ on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far

It is reported that two schools，________ are being built in my hometown，will open next year.

I usually stay ______ bed on Sunday morning.

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