1. *** Everyone have done the homework as expected.**
→ Everyone has done the homework as expected.
2. ✓ Some of the money is missing.
3. ✓ Somebody has forgotten to turn off the TV.
4. *** Each of the cars in the street are new.**
→ Each of the cars in the street is new.
5. ✓ The President as well as his brothers was our guests.
6. ✓ That lady standing among the boys is our teacher.
7. ✓ A number of soldiers were injured during the war.
8. *** All these baskets of fruit is for sale.**
→ All these baskets of fruit are for sale.
9. *** The number of students are invited to join the project.**
→ The number of students is invited to join the project.
10. ✓ Twelve miles is a long distance to run.
11. *** The main source of income for Trinidad are oil and pitch.**
→ The main source of income for Trinidad is oil and pitch.
12. *** A pack of lions are approaching the camp.**
→ A pack of lions is approaching the camp.
13. *** None of them were able to solve this question.**
→ None of them was able to solve this question.
14. ✓ One-third of the students is absent from class.
15. *** Some reseach have proved that early music education improve children's language skills.**
→ Some research has proved that early music education improves children's language skills.