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質問文でググると知恵袋に同じ質問があるけど、この説明じゃ納得出来なかったの？
質問：（　）を正しい英文に並べ替えよ。

For six months the northern part of the earth receives more sunlight and thus more heat (summer),
and during the other months (and/cooler/has/ its/less/it/season/receives/sunlight).

もし、分からなければ考え方は教えてあげるよ。