Hi, <br/><br/><b>Question:</b><br/> Which preposition I should use?<br/><br/><b>Sentence:</b><br/> The data show employment rates by gender <u>across/in/for/of</u> 3 countries in 2000.<br/><br/><br/> Japan male: 30%<br/> Japan female: 50%<br/> UK male: 30%<br/> UK female: 70%<br/> US male: 30<br/> US female: 90<br/><br/> thanks