Could it be in the room____ we had a talk last night ____ you left the key?

Lectures were _____ so studentscould be more focused on their study for the finals　

Did you catch ________ morning news today ……. Yes. _________ terrible disaster struck a Korean passenger ship, the Sewol(岁月号).

In old China, the poor suffered from cold and hunger ________ the rich enjoyed all the good things of life.

Until now, technologies like GPS have mainly been used to help people ________ where they are and what is nearby. [ ]