We know from their greetings how much they expect ____ us. We won’t let them down.
Recycling is one way to protect the environment; reusing is ___.
— Why ,this is nothing but common vegetable soup? — _______ madam. It’s our soup of the day.
A serious study of physics is impossible _____ some knowledge of mathematics .
Three Long Island families forced to move by Hurricane Sandy have been ____ in fancy Manhattan apartments ever since free of charge.
He wrote a letter ___he explained what had happened in the accident.