单词拼写（共10小题，每小题1分；满分10分）
66. The boy lifted the stone with all his _______(力量).                                              66. ______________
67. “You did a bad job!” She ________(叹息).                                                                 67. ______________
68. She is not s________enough to wear these tight trousers.                                 68. ______________
69. Children are always full of c______; they want to know everything.        69. ______________
70. What will happen if you do not eat a b_______ diet?                                             70. ______________
71. Several factors had c________ to ruin our plans.                                          71. ______________
72. Your work is far from ________(满意).                                                                      72. ______________
73. Children are taught several rules to avoid ______(溺水) in the river.      73. ______________
74. The tradition has its o_________ in the Middle Ages.                                           74. ______________
75. The stones on the playground were placed in the s___of the letters OK.         75. ______________