IT WAS THE BIGGEST ……… OF VESUVIUS FOR SOME YEARS. A. ERUPT B. ERUP...

6. - KIEM TRA HK2 AV9 PDP
KIEM TRA HK2 AV9 PDP

6. It was the biggest ……… of Vesuvius for some years.

a. erupt

b. eruption

c. erupting

d. erupts