Authorities should warn people against ____________ hazardous foods containing additive. Still better, perhaps, they shouldn’t allow such products ________ in the first place.
Câu 66867: Authorities should warn people against ____________ hazardous foods containing additive. Still better, perhaps, they shouldn’t allow such products ________ in the first place.
A. to be using – produced
B. having used – to produce
C. using – to be produced
D. being used – being produced
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Đáp án : C(1) bình luận (0) lời giải
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