Question

C. Choose the correct prepositions to complete these sentences,
1. Someone is knocking
(at, in) the door,
2. The ball fell
(in, into) the well.
3. Please do not talk
(in, at) the library.
4. The train reached
(on, in) time.
5. Open your book
(at, on) page seven.
6. Mr Mathur is not
(in, at) office now.
7. Do not throw the papers
(in, on the floor.
8. I will meet you
(on, at) six o'clock.
42​

Answer 1

at,into,in,on,at,at,on,at