Question

---Ken is often heard to apologize to his teacher.

---We often ______ Ken ______ to his teacher.

1. A.
   hear, apologize
2. B.
   heard, apologize
3. C.
   hear, apologized
4. D.
   heard, apologized

Answer 1

A
本题考查了被动语态改为主动语态。原句用了 be heard to do sth. 结构，改为主动语态后应为 hear sb. do sth.。