The key answer of exercise 7
The key to exercise solutions in chapter Unit 2 - Technology: friend or foe? for the textbook Engage B2 with Exam Skills with authors Barbara Bettinelli e Jane Bowie from Pearson Longman
Question
Complete with the correct form of the Past simple or Present perfect of the verbs in brackets.
Answer
- started
- have shown
- was
- left
- worked
- hasn't decided
- has improved
- has caused
- agreed
- disappeared