3. Choose the correct preposition.
1)Are we able to cross the river with/ by boat?2)Askar missed the bus to school, so he went on/by foot.3)You must be at/with least 17 years old to drive.4)You should pick up any rubbish that is in on the ground.5)Make sure your bike is from/in good conditionПомогите пожалуйста