Question

 The manager didn’t phone the secretary this morning.

Have the thieves stolen the most valuable painting in the national museum?

Answer 1

_{Nếu mình đoán không nhầm thì đề bài là viết lại câu sử dụng passive voice thì phải.} 

The manager didn’t phone the secretary this morning.

=> The secretary was not phoned by the manager this morning.

Have the thieves stolen the most valuable painting in the national museum?

=> Has the most valuable painting in the national museum been stolen?

Answer 2

The secretary wasn't phoned by the manager this morning.

Has the most valuable painting in the national museum been stloen by the thieves?