Theof the building are covered with lots of .A. roofs; leavesB. rooves; leafsC. roof; leaf

问题补充：

Theof the building are covered with lots of .

A. roofs; leaves

B. rooves; leafs

C. roof; leaf

D. roofs; leafs

答案：

(答案→)A. roofs; leaves

B. rooves; leafs

C. roof; leaf

D. roofs; leafs

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