III. Fill in the correct preposition. in off by on 1. My mum is going to Moscow half an hour. 2. Travelling plane is

1. My mum is going to Moscow in half an hour. 2. Travelling by plane is expensive. 3. I was there to see my cousin off. 4. My town is surrounded by many villages. 5. He got on the bus and took a window seat.

Предлог \"in\" значит \"через\", когда речь идет о времени. Например, \"in half an hour\" - \"через полчаса\".