ANSWERS
2. a) Mary is reading the book.
3. a) Beautiful houses are built by them.
4. a) Sarah is baking the cake.
5. b) The lesson is explained by the teacher.
Read More: Test No. 28
6. b) The team is writing the report.
7. b) The guitar is played by John.
8. a) Alex opens the door.
9. a) Packages are delivered to our doorstep by them.
10. b) The teacher is teaching the kids.