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take place
nearly
ruler
national
by accident
without doubt
fall into
Watch and Observe
n. 击弦古钢琴
Complete the following sentences.
1. 拉链是什么时候被发明的?
______ _____ the zipper ________?
2. 它于1893年被发明。
It ______ _________ in 1893.
was invented
When was invented
3. 它是由谁发明的?
______ _____ it invented ______?
4. 是由惠特科姆?贾得森发明的。
It ____ _________ ___ Whitcomb Judson.
5. 茶叶什么时候被带到朝鲜的?
______ ____ tea _________ to Korea?
6. 是在六到七世纪之间被带到朝鲜的。
It _____ _______ to Korea ________the 6th and 7th centuries.
was invented by
When was brought
was brought during
Who was by
7. 热冰淇淋勺用来做什么?
What ___ the hot ice-cream scoop