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题目内容
（郑州工程技术学院-大学英语（2））
It seems as if the sun_____round the earth since it rises in the east and sets in the west.
(A) circles
(B) is circling
(C) has been circling
(D) were circling
(A) circles
(B) is circling
(C) has been circling
(D) were circling
参考答案