Nearly three days after an 8.8-magnitude earthquake, rescuers in Chile were making every effort to _____ possible survivors.[ ]

With a large amount of work _______, the chief manager couldn’t spare time for a holiday.

The problem was raised ________ we should get all the machines________

d you drop the chance of earningbig money—______ You know, I don’t want to getrich by taking risks

34．________spending our vacation in the city，why not try hiking in thecourtry