34. Studies have shown that people with the lowest mortality rate _______ between 6 and 7 hours a night.
(A) sleeps
(B) sleep
(C) is sleeping
(D) has slept

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統計： A(38), B(103), C(32), D(20), E(0) #1571322

詳解 (共 1 筆)

#2275119
That 子句裡的主詞為people ,...
(共 37 字，隱藏中）
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