1, Help others means helping ourselves. 2, Do you mind I do use your car tonight? 3, they are so lucky that the rain was not 4, I remember he had to travel abroad 5, by Tom leading the way, reporters effortlessly find the village 6, the designer took three months to design this new school 7, for him, it is too difficult to quit smoking 8, we should make every effort to prevent the contamination of our environment