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39。t let Dick go out ________ he promises to be back by 10: 00 tonight. A. if B. when C. since D. unless 9. It39。 M7 Unit 2 Ⅰ .用所給詞的適當(dāng)形式填空。s very important to eat food that39。t ________ it to others. A. lend。 borrow Ⅲ .用方框內(nèi)所給詞的適當(dāng)形式填空。 The national flag ________ ________ ________ a symbol of the country. 22.即使我不理解這些詞,我也知道他想要什么。 ________ ________ ________ he didn39。 In recent years, more and more children in the US are interested in learning Chinese and learning about China Sevenyearold Anna (26)(study) Chinese for two years in Confucius(孔子 )Classroom in Washington Yuying Public Charter School. During class Anna and the other children are interested in introducing themselves and teaching visitors how(27)________(say)“hello”, “thank you” and “goodbye” in Chinese. “When she grows up, she39。t say! ” I was puzzled(困惑的 ), and I thought, “Perhaps this is not a right thing to talk about.” So I said to him, “Well, shall we talk about the Great Wall? Have you ever been there? ”w “Certainly! Everyone back home will laugh at me if I leave here without seeing it. The Great Wall is wonderful! ”“Yes, it is one of the wonders in the world. And pe