5000 câu trắc nghiệm Tiếng Anh 9 có đáp án - Phần 16

The Romans used central heating systems very much like_______. a. those of today

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The Romans used central heating systems very much like_______.

those of today

to day's do

those they do

the systems which are now.

Giải thích

Chọn đáp án A