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词汇
根据句意和所给汉语提示，完成下列句子。
－Can you finish your work on time?
－Don't worry. I'll ________ (尽我努力).
根据句意和所给汉语提示，写出正确的单词
Do you know how to ________(打) a telephone call in English?
Can you ________ (算出) this maths problem?
If you are very ________(大意), maybe you will fall down.
Today is December the ________(20号).