1.A call-in center will be set up for parents. Any parents that has any question can call in. 2.After a long journey , they were too tired to walk on. 3.After hearing this news, the girl was so excited that she jumped and down. 4.After the earthquake, thousands of people became disabled. Some of them lost their arms or legs, they need our help. 5.After working out the problem, he got a feeling of satisfaction . 6.Although Mr. Smith lives alone in a small house, he never feels lonely. 7.As we drove near the town, there were a lot of road signs to show the way to the temple. 8.Be careful! There are some pieces of broken glass on the floor. 9.Being a volunteer is great! We can do our best to help others. 10.Billy is a little blue, let's cheer him up. 11.Bob was such a clever dog that he understood the orders I gave him.