Wastes from the factory ______the water pollution in this area.

I can think of many cases______ the media have a strong effect on young men.

When he entered the dining hall, nobody said hello to him. He felt ____.[ ]

Excuse me, where’s the museum Is it ______the library -Yes, they are opposite to each other.

I don’t like surfing the Internet, shall I go tothe library instead ______ the information we need