Correct the prepositions in the sentences below. In some sentences, there are no mistakes.

Write the correct word in each gap. Write ok if the sentence is correct.

My friend's car is at bad condition after the accident. [ ]

The manager is in charge of the team's performance. [ ]

Please let us know for advance if you can't make it to the meeting. [ ]

Jack is really keen on playing the guitar; he practices every day. [ ]

Focus in small goals instead of big ones. [ ]