GEI2 - Lesson 3B - It Happened Years Ago

1. Paula checked out of the old hotel after staying only for one night. I'm sure that she ___ seen or heard a ghost there.

• could have
• must have
• may have

2. Tera: There were strange noises outside last night. \\ Greg: It was very windy last night. The wind ___ caused the noises you heard.

• must have
• could have
• may have

3. I saw a woman in the kitchen last night. It ___ been my mom because she was still in Bandung at that time.

• may not have
• couldn't have
• could have

4. My brother says he just saw a ghost in the bathroom. I'm not quite sure, but I think he ___ only ___ imagined it because he often lives in a world of fantasy.

• must, have
• couldn't, have
• may, have

5. As the bravest girl I know, she ___ been scared by the ghost she saw last night.

• may not have
• could have
• couldn't have