We hear Mary ____ (sing) in the next room.
举一反三
- Who_____________(sing)in the next room
- Listen! A girl is heard __________ in the next room. ( sing )
- Listen! Who _____________(sing) in the next room now
- He was often heard ( ) in the next room. A: sing B: sung C: to sing D: singing
- He ________ in the next room. A: is often heard to sing B: often heard to sing C: is often heard sing D: is often hearing to sing