Which of the following sentences is grammatically INCORRECT？A．Bookings is obtainable from
正确答案
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Which of the following sentences is grammatically INCORRECT？
A．Bookings is obtainable from travel agents.
B．Diabetes is a common disease.
C．The scissors are dull.
D．The militia were called out to guard the borderland.
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正确答案：A
主谓一致。B项主语是“糖尿病”，-s结尾的疾病名词，谓语动词使用单数；C项主语是“剪刀”，一s结尾的由两部分构成的物体名词，谓语动词使用复数；D项主语是“民兵”，集体名词，谓语动词使用复数。A项主语是以-ings结尾的名词，谓语动词应采取复数形式。