He is an old doctor with a lot of ________. But he has never travelled by air before.Taking a plane was quite ________ experience for him this time.
Charlie ______ be really difficult at times even though he’s a nice person in general.
It was only after I came across that matter_______ how important it was to master a foreign language.
--- When shall we meet again, Tom? --- Make ______ day you like; it’s all the same to me.
Every athlete as well as some coaches who ____ to go to the Games ____ asked to be here before 7:30 am.
His parents both died in the traffic accidents, ________ him a lot of debts.