L119-L120: 单词，句型，语法，课文
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I arrived at the bus stop after the bus had left.
I arrived at my friend’s house after they had finished lunch. I arrived at home after the thief had left.
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1．I _______ 10000 English words by the time I was ten. A．learned B．was learning C．had learned 2．By the time my parents arrived home yesterday, I _____ the dinner already. A．had cooked B．cooked C．have cooked 3．She said she ______ the principle already. A．saw B．seen C．had seen 4．She said she ______ themselves before the war. A．has hidden B．have hidden C．had hidden 5．She had written a series of books _______ the end of last year. A．in B．of C．by
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Riddles:
1: To take place, especially without being planned. 2: With no or very little light. 3: You can see with it at night. 4: It is a kind of bird which can talk like people.
5: This is a person who likes stealing from other people.
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