When astronauts return to the earth’s atmosphere, helicopters fly to________they would land, ready to collect them

It has been that some government leaders_____their authority and position to get illegal profits for themselves that resulted in the opposition in Tailand..

Becky is ________telling stories. So he wants to join the story telling club.

Most of his books are said ______ into several languages already. [ ]

依次填入下列横线处的词语，最恰当的一组是( )研究伊始，该团队选取了华北、西北地区生产的几十种马铃薯进行分析________，从营养成分、________、硬度等方面多次试验，________确定了适合加工马铃薯面条的两个品种。随后，又从诸多面粉种类中试验选取了______的小麦粉加以调试。