Question

1. we are planning to meet at the library ______ exactly 4:00 pm *

a) in
b) on
c) at
d) for

1. she walked ______ the room and sat down in the nearest chair. *

a) into
b) onto
c) at
d) among

Explanation:

1. For question 13: The preposition "at" is used to refer to specific, exact times.
2. For question 14: The preposition "into" indicates movement from outside to inside a space, which matches the action of walking into a room and sitting down.

Answer:

1. c) at
2. a) into