79.1 go to school on foot every day. 改写为同义句)

I________________ school every day.

78. Mike broke the window yesterday. (改为被动语态)

The window_________________ by Mike yesterday.

77. It is exciting news. (改为感叹句)

________________ news it is!

76.　 He writes to his mother once a month. (对画线部分提问)

________________ does he write to his mother?

71. ___　　 72. ________　　 73. _____　　 74. ________　　 75. ________

66. ________　　 67. ________　　 68. ________　　 69. ________　　 70. ________

75. We will have the meeting on the________(twelve)floor.

74. The boss left his office________(angry) without saying a word.

73. Doctors often tell us________(drink)more water every day.

72. Several________(foreign) visited our school yesterday.