We looked everywhere for the keys, but they are nowhere _______.

While shopping, people sometimes can’t help ____ into buying something they don’t really want.

A strong earthquake struck Lushan county, a district of Yaan, ______ more than 100 people and ______ hundreds of others, local authorities said.

Without facts,we cannot form a worthwhile opinion,for we need to have factual knowledge ______ our thinking.

____ with a difficult situation, Arnold decided to ask his boss for advice.