Double (1 vowel, ends in 1 consonant, accented, vowel suffix) : run + ing, ban + er, wet + er, hot +est, commit +ed, forget + ing, trim + ed, slam +ed, top + ed, hum + er, clap + ing, hop + ed, star + ing, Do NOT Double (missing one of the four checkpoints): commit + ment, post + ing, open + er, spook + ed, jump + ing, job + less, help +ing, speak + er, lean + ing, spot + less, soft + ness,

Doubling Rule

由
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恢復自動保存: ?