It is said that two man-made structures are clearly visible from space. One is the Great Wall of China, andis Japan's Kansai International Airport.
He is _______ here as he was at home.
The clock was striking twelve ______ down the street.
It is generally believed that teaching is _____ it is a science.
She made a note of it ______ she might forget.
He succeeded in solving all the problems _____.