The teacher told the students that they to be useful men to the country.
A. wereallexpected
B. wereallexpecting
C. allwereexpected
D. allexpected
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(答案→)A. wereallexpected
B. wereallexpecting
C. allwereexpected
D. allexpected
解析： 此句用被动语态，表示他们被期待、被指望……，all常置于be动词或 第一个助动词之后。