选择题:________you smell something burning? Go and see whats happening.

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题目内容:

________you smell something burning? Go and see what's happening.

A.Can

B.May

C.Must

D.Need

参考答案:
答案解析:

如图, 在四棱锥 P﹣ ABCD 中, 四边形 ABCD 为平行四边形, 以 BC 为直径的圆 O(O 为圆心) 过点 A, 且 AO=AC=AP=2, PA⊥

如图, 在四棱锥 P﹣ ABCD 中, 四边形 ABCD 为平行四边形, 以 BC 为直径的圆 O(O 为圆心) 过点 A, 且 AO=AC=AP=2, PA⊥底面 ABCD, M为 PC 的中点.(

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—Whats the weather likein Wuhan? —Its warm and ________ justright for flying kit

—Whats the weather likein Wuhan? —Its warm and ________ justright for flying kites.

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Last year, three hundredEnglish teachers took part in the _______ English Traini

Last year, three hundredEnglish teachers took part in the _______ English Training.

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