【题目】Some people who don’t like to talk much are not necessarily shy; they __________ just be quiet people.
A. must B. might
C. should D. would
在线课程【答案】B
【解析】
考查情态动词。A. must必须，一定； B. might可能，或许； C. should应该； D. would将要。句意：有些不爱说话的人不一定害羞；他们可能只是安静的人。此处表示一种推测，故选B。