# 4เลือกประเภทBaifern ..........................than Baiboon.is prettieris prettyare prettierare pretty
# 5เลือกประเภทPanda ................................ Ploy.is richer thanis rich thanas richer asthe most richer than
# 6เลือกประเภทDolphins are ............................ than whales.intelligentmore intelligentmost intelligentthe most intelligent
# 7เลือกประเภทI think English is ................................. than Science.most difficultdifficultermore difficultermore difficult