39. _____ is not the first priority for improving traffic conditions.
(A) The streets are widened
(B) Widening the streets
(C) That the widening streets
(D) The streets of widening

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統計： A(6), B(160), C(15), D(19), E(0) #568808

詳解 (共 1 筆)

#3954537
Widen
to become, or to make something greater in width
（使）變寬，加寬；放寬
As it approaches the sea, the river begins to widen (out).隨著河流接近入海口，河道開始變寬。
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