26.If you want to succeed ,you must work hard and ____you should be sure of success.
It was in the factory _________ his friend worked _______ he picked up a lot of experience.
Was it _____ he was training in the field _____ he got hurt?
----______was it ______ they discovered the entrance to the underground palace? ----Totally by chance.
I think it’s the driver rather than the passengers who______ for the accident.
--- The patient looks much better. _____is it that has made him _____he is today? --- Perhaps the special medicine and his family’s patient care.