A./:all | B./:the | C.the;all | D.the ;the |
A.an, 不填 | B.the, the | C.the, a | D.an, the |
|
A.不填; a | B.a; 不填 | C.the; 不填 | D.不填; the |
A.roofs; leaves | B.rooves; leafs | C.roof; leaf | D.roofs; leafs |
A.不填; a | B.the; 不填 | C.不填; 不填 | D.the; the |
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