68．Tomorrow we_________ an important lesson so we can’t go with you．

67．I really enjoy_________ at the beach because it is so cool and relaxing!

66．I help my father_________ the sheep on the farm on weekends．

65．It is about 5_________ from here to the hospital．

64．The boy is sleeping．Please keep_________．

63．-We are going camping tomorrow．

-That _________cool．

62．My father often goes to school _________ subway．

61．-I have a_________ throat．

-You should see a doctor．

60．We all like to sing p_________ songs．

59．I was really busy．I spent the w_________ morning in the office．