Choose the best word or phrase to complete the following sentences. Write A, B, C or D on your answer sheet.
I'm very to you for putting in so much hard work
Giải chi tiết:
Đáp án B. Grateful: biết ơn. Thoughtful: biết suy nghĩ, chín chắn. Considerate: quan tâm. Careful: cẩn thận