TheClarkshaven’tdecidedyetwhichhotel_____.
A、tostayC
暫無解析
_____yourtimelyadvice,Iwouldneverhaveknownhowtogoaboutthework.
Underthis（）pressuresomeoftherocksevenbecameliquid.
Itisimperativethatstudents_____theirtermpapersontime.
Thismissileisdesignedsothatonce_____nothingcanbedonetoretrieveit.
Ifasubstanceisdissolvedinwaterorheated，itmay（）agas.
