-Are you sure you have to? It’s been very late.-I don’t know ________ I can do it if not now.
Itwasabadideatobuildapowerstationinthedeepvalley,butit_____aswellaswehadhoped.
Undergoodtreatment,Lindaisbeginningto_________andwillsoonrecover.
Isimplycouldn’tunderstandhowit_______thatyoudidsomuchworkinsuchashorttime.
IkeptaskingMr.Smithtostayforlunchandhefinally___________.
Difficultiesandhardshipshave________thebestcharacteroftheyounggeologist.