please check this answers on prepositions.
Choose suitable words given in the brackets :
l. The children sat (on/upon) the ground.
2. One should live (in/within) one's means.
3. We must trust (in/on) our close friends.
- sat on the ground
- live within one's
- trust in our
- is behind time
- quarrelled among themselves
- arrived with all
- was in Kolkata
- ill since last
- return in an
- picnic after three
- plunged into the
- book at page (there have been different opinions regarding this, but at is most appropriate)
- begin on Monday
- house by foot
- sat beside me