---All the oil in the world will have __________ some day. ---Yeah. What shall we use for power at that time?
---There is a river ________ the two cities. ---________ the river there is a bridge.
There _______a “helping hands ” meeting _______ the afternoon ______May 1.
We have to learn __________ words this term..
There is _______ in this book. So we should read it in the morning .
——Would you like to visit the UK? ——Yes, ______.