L16

Review previous lessons

L17

planning        starred        slippery        jogging        grabbed        stopping        swimmer        shipment

saddest        dimmer        upsetting        beginning        controlled        regrettable        patrolled        rebellion

forgotten        forgetting        equipment        commitment

L18

transmitting        omitted        admitted        permitted        transferring        referred        preference

conference        difference        suffered        offered        happened        galloping        orbiting

visiting        piloted        entered        altered        murmuring        labored

L19

adoptable        available        attainable        agreeable        regrettable        forgettable        controllable

adorable        advisable        excitable        noticeable        changeable        manageable        visible

audible        legible        edible        possible        credible        tangible

L20

congratulate        continent        connection        common       communicate

command        compatible        complicated        compliment        combination

instinct        inspection        innumerable        immeasurable    immobile

immature    impersonate    impossibility    impression    imbalance