Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
She was a devoted nurse, always very to the needs of her elderly patients.
A. observant
B.attentive
C.careful
D.delicate
Câu này hỏi về từ vựng. Đáp án là B. be attentive to someone/something: ân cần với. Nghĩa các từ còn lại: observant ( + of ) : tuân theo ..careful ( + of ): giữ gìn ... ; delicate: thanh nhã