Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 cực hay có lời giải (Đề 34)

I have very ____ feelings about the plan – it might possibly work or it could be a disaster. A. certain B. mixed C. doubtful D. troubled

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I have very ____ feelings about the plan – it might possibly work or it could be a disaster.

certain

mixed

doubtful

troubled

Giải thích

Chọn B