Though I ____ to go abroad, I changed my mind and decided to stay with my family.
We can never expect ____ bluer sky unless we create _____less polluted world.
—Can I use your laptop for a while?— ; any how I am not using it now.
What the science teacher does and says of great importance to college students.
This book 18 passages, three written by my head teacher.
—On Sundays I prefer shutting myself in and listening to music all day on Sundays.—That’s I don’t agree. You should have a more active life.