Which of the following underlined parts is different in pronunciation from others

The trade union intended to call on the workers to go on strike ______ the government’s limitation on exports

When did Kate’s grandma die—While the doctors______ on her.

The number of students admitted annually to this schoolfrom more thart 2．000 in the year 2.000 to some 3，000 last yeat

won 100 medals in the Beijing OlympicGames, which is almost _____they won at the Sydney Olympic Games.