Write the missing preposition

• You can always count _____ our help.
• Success depends _____ our hard work.
• I insist_____ accepting their offer.
• Children should concentrate _____ their studies.

The preposition that fits the gaps in the sentences above is [ ]

• He has to take care _____ his parents.
• Nobody approves _____ my choice.
• The man was accused _____ stealing.

The preposition that fits the gaps in the sentences above is [ ]