JAMB - English Language (2011 - No. 41)
Choose the option that best completes the gap(s).
........ he switches on the light, the shadow disappears?
........ he switches on the light, the shadow disappears?
Whenever
Expect
Since
Until
Explanation
Whenever he switches on the light, the shadow disappears?
Whenever; at whatever time; on whatever occasion (emphasizing a lack of restriction).