【C12】A．gatekeepersB．purchasersC．counterpartsD．landlords

【C12】A．subjectB．subjectiveC．objectsD．objectives

【C12】A．outwardB．apartC．asideD．outside

【C12】A．attentionB．noticeC．interestD．attraction

【C12】A．thenB．whileC．sinceD．where

【C12】A．controlledB．governedC．maintainedD．ruled

【C12】A．similarB．distinctC．urgentD．separate