Question 91
TensesChoose the option that most suitably fills the space: By the time the rainy season ended, all the young cocoa trees..... in size.
- A.have double
- B.had doubled
- C.were doubling
- D.doubled
- E.will double
Show the answer and explanation
Answer: B (had doubled)
Explanation
The doubling was complete before a past time ('By the time... ended'), so the past perfect 'had doubled' is needed.