Has someone made all the necessary arrangements?
He was obliged to resign.
Has anybody done all the work?
Tell him to get out of our house.
The beavers have built a perfect dam across the stream
A child could not have done this mischief.
James Watt discovered the energy of steam.
She makes cakes every Sunday.
She spoke to the official on duty.
They have built a perfect dam across the river.
Do you imitate others?
You need to clean your shoes properly.
He is said to be very rich.
The invigilator was reading out the instructions.
After driving professor Kumar to the museum she dropped him at his hotel.
option ( a) is the correct answer.
Explanation:- After driving professor Kumar to the museum she dropped him at his hotel.
The active / passive of the sentence is:-
" After being driven to the museum, Professor Kumar was dropped at his hotel. "
I remember my sister taking me to the museum.
Who is creating this mess?
They greet me cheerfully every morning.
Darjeeling grows tea.
He was congratulated by his teacher on his brilliant success in the recent examination.