Question 11. Dentists strongly suggest brushing teeth using toothpaste to___________them from decaying. A. defer B. protect C. guard D. waste Question 12. Before the invention of refrigeration, the ___________ offish and meat must have been a problem. A. treatment B. maintenance C. addition D. preservationĐề thi thử THPT 2021 - Tiếng Anh - GV Vũ Thị Mai Phương - Đề 7 - có lời giải

tngoc7003 2/13/2024 4:57:31 PM

Question 11. Dentists strongly suggest brushing teeth using toothpaste to___________them from decaying.

A. defer B. protect C. guard D. waste

Question 12. Before the invention of refrigeration, the ___________ offish and meat must have been a problem.

A. treatment B. maintenance C. addition D. preservation

Đề thi thử THPT 2021 - Tiếng Anh - GV Vũ Thị Mai Phương - Đề 7 - có lời giải

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