Tổng hợp 20 đề thi Tiếng anh ôn thi vào 10 có đáp án - Đề 17

It was an evolution from the country's street tea vendors (23)_______began experimenting with fruity flavours and colour to entice customers

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It was an evolution from the country's street tea vendors (23)_______began experimenting with fruity flavours and colour to entice customers

which

where

who

whom


Giải thích

Đáp án C