I don’t imagine Russ and his poor dog had a good time on the deserted island, _____?

We can do a lot to stay healthy. _______, we should eat a balanced (平衡的) diet. [ ]

I wonder _________.

This car is Mrs Lee’s. She it for over 10 years. — Really? It looks like a new one.

Sometimes most of us probably are angry______our friends, parents or teachers.