500 câu trắc nghiệm giới từ trong Tiếng Anh có đáp án cực hay - Phần 7
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I was disappointed ________ the grade I received on my last essay.

10/30

I was disappointed ________ the grade I received on my last essay.

for

about

to

a and b

Giải thích

Chọn B

Disappointed by/about/at/with/in