Choose the option that best completes the gap(s).
........ he switches on the light, the shadow disappears?
A
Whenever
B
Expect
C
Since
D
Until
Verified Correct Answer: A.
Grammar & Contextual Explanation
Whenever he switches on the light, the shadow disappears?
Whenever; at whatever time; on whatever occasion (emphasizing a lack of restriction).
Source: Myschool Past Questions Archive (Record #12714)