We intend to with the old system as soon as we have developed a better one.

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We intend to___________ with the old system as soon as we have developed a better one.

do up

do in

do away

do down

Giải thích

Đáp án C.
To do away with sth = to get rid of sth = eliminate = wipe out: tống khứ, giải thoát cho ai, cái gì.
Ex: She thinks it’s time we did away with the monarchy: Cô ấy nghĩ đã đến lúc chúng ta phế bỏ nền quân chủ.
MEMORIZE
to do away with sb/ oneself: tự tử, kết tiễu ai.
Ex: She tried to do away with herself: Cô ấy toan tự tử