Các thánh nhân bơi vào giúp em ạ. Viết lại câu: 1. Scientists have discovered that there is water on Mars. -> It has been.......... 2. We expect the professor will arive this morning. -> It is expected......... Sử dụng từ cho trong ngoặc. 3. I don'r remember exactly when my parents started this workshop. ( set up) 4. We have to try harder so that our handicrafts can stay equal with their. ( keep up with).

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