Low-carbon lifestyle is of great benefit to improve the world environment._________can be enjoyed from it until you have a deep understanding of it,however.
You’re _______ a lie. More than one man has known about it.
—— ____ he start at once or wait for a while? —— Let him start at once.
Where is my watch? I _______ it.
This memorial was built ______ those heroes who laid down their lives for the liberation of the black.
Great changes _______ in his hometown in the last twenty years.