MANY NEW DEVICES ARE USED FOR LEARNING SOME SUBJECTS AT SCHOOL.A. T...

21. - KIEM TRA 1 TIET
KIEM TRA 1 TIET

21.

Many new devices are used for learning some subjects at school.A. The students used many new devices to learn some subjects at school.B. Many new devices are used to learn some subjects by the students at school.C. Many new devices are used to learning some subjects at school.D. Many new devices got used to learn teaching some subjects at school.