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Hello, this is Li Ming ________.

He is writing a report ________ American history.

Our bedrooms must ________ clean and tidy.

--You'd better ________ work too hard like this.

--I see. You mean ________ too hard makes one tired and ill.

--When shall we go to see him in the hospital?

--Oh, I nearly forget. What about this afternoon as soon as we ________ our work?

China ________ many provinces.

________ is the biggest continent.

If you don't know new words, you'll ________ the dictionary.

Asia is ________ continent.

Do you ________ a dictionary?