30 % of the young trees, attacked by diseases, ________pine trees.A.isB.areC.wa
题型:不详难度:来源:
30 % of the young trees, attacked by diseases, ________pine trees. |
答案
B |
解析
本题考查主谓一致,百分数+名词,其后的谓语动词与名词保持一致,故谓语动词用复数。句意:遭受病害3 0%的小树是松树。 |
举一反三
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