Составьте по три предложения с каждым их этих оборотов: to compete in smth; to do research; to be confused

1. Are you competing in the 100 metres? 2. He's hoping to compete in the London marathon. 3. He competed in numerous track meets as a child.

1. I've done some research to find out the cheapest way of travelling there. 2. They are doing some fascinating research into/on the language of dolphins. 3. Doing research on some rare animals has led to some important medical advances.

1. People are confused about all the different labels on food these days. 2. I'm a bit confused about the arrangements for tonight - what time are we meeting? 3. I'm confused-say all that again.