Question

III. Задайте вопросы к выделенным словам.
1.( Registering the letters) the secretary ( was sending) them down to be posted.(2)
2. (Entering the room) he introduced himself to all those present.(1)
3.( Not knowing his address), I couldn‟t visit him. (1)

Answer 1

1 What doing the letters?....Who was sending?.....2 What doing the room?.....3 Not knowing what?