II. Chọn đáp án đúng có đáp án

Once he starts painting a room he won't stop _______ it's done. A. as well as B. as soon as C. as long as D. until

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Once he starts painting a room he won't stop _______ it's done.

as well as

as soon as

as long as

until

Giải thích

Chọn D