Choose the word /phrase (A, B, C or D) that best fits the blank space in each sentence.
1. Helen: “What were you ________ at 10p.m last night?” Susan: “I ______ on my Math project at that time.”
2. The train____________ half an hour ago.
3. Columbus ______________ America more than 400 years ago.
4. My brother was staying in München when he ________________ his girlfriend.
5. My dad found some money while he ________________ his suitcase.
6. _____________________ History at 6 p.m. yesterday?
7. While we ____________________ in the park, Mary fell over.
8. I ______________ the accident when I was waiting for the Grab taxi.
9. What ___________ when I phoned yesterday?
10. It ____________ heavily last August.
