They will show the time machine to the public when they finish. * 1 điểm A. The time machine will be shown to the public when they finish. B. The time machine will shown to the public when they finish. C. The time machine will show when they finish to the public. 12. People recycle old car tires to make shoes and sandals. * 1 điểm A. Old car is recycled tires to make shoes and sandals. B. Old car tires are recycled to make shoes and sandals. C. Old car tires to make shoes and sandals are recycled. 13. People speak English all over the world. * 1 điểm A. English is spoken all over the world. B. English was spoken all over the world. C. English is speaking all over the world 14. We can use cloth bags instead of plastic bags. * 1 điểm A. Cloth bags can are used instead of plastic bags. B. Cloth bags can be used instead of plastic bags. C. Cloth bags can use instead of plastic bags. 15. Bell invented the telephone in 1876. * 1 điểm . The telephone was invented in 1876 by Bell. B. The telephone invented by Bell in 1876 . C. The telephone was invented by Bell in 1876