CHUYÊN ĐỀ 16: MỆNH ĐỀ QUAN HỆ (RELATIVE CLAUSES)

A warning sign 'Overheat' may come on, in that case turn off the appliance at once.

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A warning sign 'Overheat' may come on, in that case turn off the appliance at once.

may come

in that

the

at once.

Giải thích

Chọn B