If we go on using energy so wastefully, __________ are that our oil wells will be dried up before new energy sources can be found to replace oil.
It’s the third time that John has been late, ____?
Just in front of our house ___ with a history of 1,000 years.
I’ve tried very hard to improve my English. But by no means with my progress______.
At the foot of the mountain______.
The hurricane damaged many houses and business buildings;______,it caused 20 deaths.