Question

The teacher told the students that they______ to be useful men to the country.

1. A.
   were all expected
2. B.
   were all expecting
3. C.
   all were expected
4. D.
   all expected

Answer 1

A
 此句用被動語態(tài)，表示"他們被期待、被指望……"，all常置于be動詞或 第一個助動詞之后。