Our school basketball team may lose the competition ________ (除非) all the players work hard together.

This tourist took lots of amazing close-up ________ (照片) of some of the world's most dangerous animals in a very special way.

Einstein was forced to move to the USA in 1933 because of World War II and later became a ________ (德国的) American.

— What's the last line of the poem Song of the Great Wind?

— It's Where can I find brave men, oh! To ________ (守卫) my four frontiers today!

— This scientist is great enough to devote most of her lifetime to the medical research.

— That's why she was spoken ________of and presented with the national medal.

—Philip, how can I improve my spoken English quickly?

—I ________you listen more and read more. That can improve your pronunciation and intonation.

— What is a ________?

— It's a page or series of pages showing the days, weeks and months of a particular year, especially one that you hang on a wall.

那两个字母代表什么？

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记得在纸上双面打印。

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这本词典我能借到下周二吗？

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