His plan frustrated by illness, he has to ________ his disappointment from his friends.
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Historic buildings, quiet countryside and cultural traditions all constitute the _______ English now enjoy.
Microsoft has ________ the market for operating system software as its markets share has remained unrivalled among its competitors.
In what way do you think your experience in a small restaurant_________ you as an expert chef?
The security personnel check every attendee carefully to ________ the successful commencement of the summit meeting.