根据括号内的英（汉）语提示，完成句子。

66．Three __________(four)of the students in our class have handed in their reports.

67．You needn’t be frightened because these insects are completely ____________(harm).

68．If you add some lemonade and sugar，the dish will be much ___________(taste).

69．How ____________(active)they are donating money to help the sick student!

70．This film about Confucius is very ____(有教育意义的). Every student should watch it.

71.He is considering ___(长途跋涉)through the jungle. Because he likes exciting vacations.

72.Edison invented more than two thousand inventions in his life, ________(包括)bulb and phonograph.

73.Jimmy put up some signs asking for old bikes and handed out advertisements at a local

supermarket. Finally the ________(策略) he came up with worked out fine.

74.Sally was very angry with Bob. She ________(扔)all the things that he bought for her.