---All the oil in the world will have __________ some day. ---Yeah. What shall we use for power at that time?
— I wonder ___________. I'm afraid we'll be late.
I failed English, so I’m going to _____it this year.
What about ____English-language videos?
.I find ____very important to study English well.
We will have two family parties this autumn. One is at Halloween and is at Thanksgiving.