I think____ important to learn English well.
A、thisC
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____The water left in the kettle, the doctor put several things he unwrapped from a handkerchief.
One of the requirements for a fire is that the material ____to its burning temperature.
It’simportant_____aforeignlanguage
—Icametoyourofficeyesterdaymorning,butnobodywasin.
—Oh,we__________ameetinginthemeetingroom.
Nowhere but in the remotest region of the country ____find a place to settle down.