Where did Jane go just now— I don’t know. When I asked her, she tried to avoid me.

___is the girl in a red jacket —She is Sally, my sister.

The Internet is regarded as one of the reasons_______ many people aren’t getting enough sleep now．

e discover a mistake, we should not _____ it butcorrect it immediately, to create better conditions for economic development

Who taught you Japanese —- Nobody, I learned it by______.