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．