Silver Challenges page
Instruction: In each pair of sentences below, identify the formal sentence.
Instruction: The following short passage is written in academic register. In each blank select the appropriate language to achieve an academic tone.
(1) that (2) young children (3) have sufficient outdoor playtime. They (4) a sedentary life, playing with smart phones (5) doing physical exercises, (6) in some cases leads to obesity. Researches show that children's health (7) improve significantly if an outdoor playing time of three or more hours a day could be ensured.