Although they feel tired, _________they still go on working.
I can’t remember when exactly the Robinsons left _____ city. I only remember it was ______ Sunday.
—Did you hear about the terrible accident ?—Yes, but I don’t know _________.
The World Bank has warned that rising food prices are pushing ________ people below poverty line (贫困线).
Tina is showing off her new phone. She won't stop ________about it.
—Sorry. I’m afraid I can’t go to your party. I am busy with tomorrow’s test now. —________.