about ___students have passed the test. Athree hundred Bhundreds of
问题描述：
about ___students have passed the test. Athree hundred Bhundreds of
答
答案：A
about 表示“大约”,而thousands of 表示“成千上万的”,都是约数.所以不能连用,正确答案是A.
句意：大约有300名学生通过了考试.