Yao Yuan, a disabled woman, won the National Championships Cup last week. — My goodness! She ______ a lot of difficulties! [ ]

93 The diligent student refused the helpof others and insisted on working out the difficult maths problem _____

thods need to beto use the existing water resources, for example, turning sea water intofresh water

How long ________ in Guilin? —– For two weeksI’m going to some places of interest there

Mary, how many students are there in your school—