NO ONE HAS USED THIS COMPUTER FOR A LONG TIME.A. THIS COMPUTER HA...

11. - BAI KIEM TRA 15 PHUT UNIT 56 ENGLISH 10
BAI KIEM TRA 15 PHUT UNIT 56 ENGLISH 10

11. No one has used this computer for a long time.

a. this computer has not been used for a long time.

b. this computer was not used for a long time ago.

C. this compter has been used for a long time.

d. this computer has not used for a long time.