They wanted to charge $6,000 for the house, ____ we managed to bring the price down

Is there ________________ about the event of the missing Malaysia Airlines plane(马来西亚飞机失踪事件) in today’s newspaper

Since nobody gave him any help，he ________ have done the research on his own.

The red shoes ________88 yuan.

You shouldn’t have taken pictures before the carved stones—____