Currently, many American women are still faced with the ________ of choosing between work and family commitments.

— This second-hand table cost me only $10.— It was a real ______. Where did you buy it?

Nowadays people have to pass various tests for professional __________ so that they can be qualified for a well-paid job.

These natural disasters have warned us that everyone should start to protect the _____ immediately.

—What did he say to you just now?—He told me that he would leave for Jinan        .