Ⅰ ( )1. Those plates aren't clean. ( )2. They can't find their way to the station. ( )3. Where are his shoes? ( )4. My computer is broken. ( )5. The road is very busy.
Ⅱ A. You'll have to buy a new one. B. We must cross it very carefully. C. We must clean them before mum comes back. D. They need to look at a map. E. Nobody knows. He can't find them.
