1. Mr. Black got lost at the crossing and didn't know where to go.<br />2. Steve missed the early bus this morning, so he had to run to school.<br />3. In order to keep healthy, Grace and Sally often do sports on weekends.<br />4. We're a team and we usually communicate with each other to solve problems.<br />5. The bus driver is so warm-hearted that he often helps the old to get on the bus.
B. 
C. 
D. 
E. 
F. 
