Дополните предложения глаголами в страдательном залоге в настоящем времени по формуле (am / is / are + Ved / V3)
Например: 0. Traffic jams are caused (cause) by crowded roads.
1. Bicycles (not allow) on the train.
2. Electricity (use) to make trams move.
3. Many cars (make) in Japan.
4. Tickets (not sell) on the bus.
5. Millions of new cars (buy) each year in the UK.