Cambridge C1 Test Example May 2026

For centuries, people have advised those facing difficult choices to “sleep on it”. But is there scientific evidence to support this intuition? A growing body of research suggests that sleep plays a crucial role in complex decision-making, particularly when it involves integrating multiple pieces of information.

9 that 10 which 11 Although/Though 12 each/per 13 off 14 It 15 from 16 but cambridge c1 test example

However, not all decisions benefit equally from sleep. Simple, logical choices—like whether to take an umbrella based on a weather forecast—do not require the same cognitive restructuring. Sleep seems most beneficial when decisions are “ill-structured”: when information is incomplete, contradictory, or when multiple outcomes are possible. In such cases, sleeping on a problem can help the brain to prioritise relevant over irrelevant details. For centuries, people have advised those facing difficult

Adults also benefit from a richer vocabulary in their first language, which helps them guess meanings in a new language more efficiently. (43) ____ 9 that 10 which 11 Although/Though 12 each/per