Reach from F to R and from J to U with the index fingers.

Return each index finger to its home key after pressing R or U.

练习输入: r, u

目标: 95.00% 准确率 和 10.00 WPM.

R and U Guided Practice: frf juj rrr uuu ru ur fur jar rug rush rural guard sugar harsh

R and U Review: fur rush rural guard sugar harsh; a red rug; a hard rush; fresh sugar jars;