1. Thankfully the disease has gone into ____ ; it may not recur for many years.
A. treatment
B. sequestration
C. quarantine
D. remission
E. oblivion
2. People from all over the world are sent by their doctors to breathe the pure, ____ air in this mountain region.
A. invigorating
B. soporific
C. debilitating
D. insalubrious
E. aromatic
3. As were many colonial administrators, Gregory was ____ in his knowledge of the grammar of the local language, though his accent was ____ .
A. deficient - poor
B. competent - adequate
C. faultless - awful
D. well-versed - effective
E. erratic - eccentric