—What you can do is _______ more English if you want to learn English well.—You mean _______ more English is useful to me?
—Do you know _____? —Sorry, I don’t know.
Do you think _____in the future?
The teacher told us _________.
The picture shows us ________ in Nanjing in the past.
--Could you tell me_______? -By getting online and typing the information you want to search.