51.   The senator cannot meet every voter face to face, but he is certainly doing his best.

52.   The senator did his best to scuttle the tax increase.

53.   The van der Luydens had done their best to emphasize the importance of the occasion.

54.   They did their best to get him signed up in a literacy program.

55.   They did their best to soothe the ruffled customers who were waiting for car repairs.

56.   They do the best they can in trying circumstances.

57.   They tried to find comfort in knowing they had done their best.

58.   They wear sneakers, however, and do their best to look like skateboarders.

59.   We can know that we have done our best and be willing to learn from our mistakes.

60.   We can only do our best.