66. Ragweed pollen is prevalent at the beginning of ____ in the eastern United States.
(A) Spring
(B) Summer
(C) Fall
(D) Winter

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統計： A(69), B(21), C(69), D(6), E(0) #1345959

詳解 (共 2 筆)

#2204476
At the end of August...
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11
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#2266071

2.3.4-spring

5.6.7-summer

8.9.10-fall

11.12.1-winter

1
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