The key to exercise solutions in chapter 6 - Grammar for the textbook New Headway Intermediate - Workbook with authors Liz Soars, John Soars and Paul Hancock from Oxford University Press
Question
Correct the mistakes in these sentences.
Answer
How long do you knowhave you known our teacher?
This is the first time I eatI've eaten Thai food.
I learnI've been learning English for four years now.
How long you beenhave you been working here?
The World Cup has wonhas been won by Brazil five times.