Definition: to turn on a light, television, etc. by using a switch Level: B1
你能把灯打开吗？
Could you ___switch the light ___on?
电影开始时，我们会打开投影仪。
When the movie starts, we'll ___switch ___on the projector.
他走进来，打开了电视。
He walked in and ___switched ___on the TV.
