1) Which of these items is a light source? a) lightbulb b) stone c) nothing d) Box e) Torch f) Sun 2) How does light travel a) nothing b) s line c) c line d) z z line 3) What natural light a) sun b) lightbulb c) lightning d) lamp e) nothing

순위표

비주얼 스타일

옵션

템플릿 전환하기

자동 저장된 게임을 복구할까요?