—I’m sincerely inviting you to join our chess club, Mr Turban.—Thanks, but I’m not ________as any of you.
I’m going to see what Dad is________. Two hours is a long time to take over a coffee.
Professor Li is the person to ____________ you should write.
Do you know the reason _______ he was late?
I’ll take you to the museum ______ you may see everything _________ you want.
Is oxygen the only gas ________ helps fire burn?