правильно вставить слова. Fill in the gaps. Use the appropriate form of the word in brackets when given.
1. Nicola ... (work) for ten hours before she ... (take) a break.
2. The scientist ... (go) to the laboratory every day to carry ... some tests.
3. Fiona ... (watch) TV since 10 this morning instead of ... (study).
4. Dan ... be a journalist, but now he ... (present) the news on television.
5. When Liam arrived at the airport, he ... (know) where to go because he ... (visit) the city many times before.
