Old people should ________politely.
Many social workers went to Ya’an to ______ clean water and food to local people to reduce their pain from the earthquake.
Why are you worried?I’m expecting a call from my daughter. She ______ New York for three years.
This listening material, together with its CD-ROMS, ______well.
He offered ______ valuable advice that ______people disagreed.
Shall I take my swimming suit?No, you ______. We will just go hiking on the mountain.