Raw materials that used to make cars include iron ore, rubber and petroleum.
"Raw materials" = nguyên liệu , là danh từ chỉ vật. Vì vậy, động từ trong mệnh đề quan hệ "that" phải chia ở dạng bị động.
Đáp án là B. used chuyển thành are used
Education in many countries is compulsory________the age of 16.
We must push the piano to the corner of the hall to_____________________ our party tonight.
We all agree that she is____________________ student in our class.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
She asked me______I was looking at.
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
I am sorry I have no time at present to____________________ detail of our plan.
Tom: "___________________ " Mike: "I won't say no!"
The word "allocated" in the passage mostly means "______".
Michael looked deeply hurt and surprised when_____________________ .