Better English

It's a big step to leave everything behind and move to a new country.
It's a big step to leave everything behind and move to a new country.
1. four 2. People buy totoaba swim bladders because they resemble those of Chinese bahaba, which is a critically endangered species. 3. (i) joint pain (ii) easing pregnancy discomfort 
We need to reduce our consumption of plastic products
We need to reduce our consumption of plastic products
1. Any two of (i) gives us an energy boost (ii) helps start our metabolism (iii) prevents us from overeating (iv) improves our concentration/performance 2. Any two of (i) increases our risk of low blood sugar
Conversation 1 Jenn: Oh, my goodness, William! What happened to you? There’s blood all down your shorts and T-shirt. What have you done?  
There’s help at hand as William and Donna are injured after mishaps at the beach and at home