2. Từ điển
3. Từ vựng theo chủ đề
4. Công việc

• attack
• complexion
• dullness
• dulness
• engrossing
• expedite
• fag
• go about
• go through
• grease
• greasy
• hasten
• operose
• omit
• ponderosity
• ponderousness
• ponderous
• ponderously
• railroad
• run stream
• sail
• settle
• sloppy
• superintend
• superintendent
• sweated
• take
• taken
• tick
• took
• toss
• toughness
• uncongenial
• unassignable
• undertaking
• uphill