74. It’s raining heavily outside. My shoes are wet and 　　　　　(脏).

73. After the rain ______(停止), they went on working.

72. He writes to his friend _________ (两次) a week.

71. Miss Gao woks hard and is very __________(有帮助的).

70. -What have you 　　　　/dQn/ with my apple?　 - Oh, sorry. I’ve eaten it.

69. Could you tell us how long we’re going to be 　　　　　/[’wei/?

68. Do you think it’s _______/’pCs[bl/ to cross the channel?

67. Don’t pour the ______/weist/ water into the river.

66. The mobile phone cost him at _____/li:st/ two thousand yuan.