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【題目】Mr. Black, you are becoming healthier and healthier. Please keep on ____.
A. runsB. ranC. to runD. running
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【題目】 -- you ever any trees last Tree-planting Day?
-- Yes, of course. I have planted six trees since then.
A. Have. planted B. Did, plant
C. Will, plant D. Had. Planted
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【題目】Blue whales(鯨) are . We should try to save them.
A. in timeB. in publicC. in dangerD. in need
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【題目】If you don't feel well, you'd better ask a(an) ____ for help.
A. policemanB. clerkC. relativeD. doctor
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【題目】The Belt and Road Forum for Cooperation(—帶二路合作高峰論壇)is one of the most(mean) events in the world.
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