选用下列所给的词并用其适当形式填空。(5分) laugh at own learn from careful escape 66. I don’t know whose watch it is? So I’m waiting for the ______________. 67. Last week a lion ____________from the zoo. It hasn’t been found yet. 68. We should ______________ each other and help each other. 69. Don’t _______________other people. It’s impolite. 70. Our teachers ask us to listen ______________in class.
答案:owner, escaped, learn from, laugh at , carefully