4. Most email accounts at my company ___________ by virus two days ago. a. affected b. were affected c. was affected d. are affected
6. Look at this beautiful lace! Where ___________?
a. was it made b. does it make c. did it make d. is it made
7. The school ___________ two examinations every year.
a. holds b. held c. is held d. was held
Loga
Sinh Học lớp 12
