| A.Because he had poor eyesight. |
| B.Because the microscope didn’t work properly. |
| C.Because he was not able to adjust the microscope properly. |
| D.Because he was just playing jokes on his professor by pretending not to have seen it. |
| A.His professor expected him to have seen the cells and drawn the picture of them. |
| B.His professor hoped he could perform his task with attention. |
| C.His professor wished him to learn how to draw pictures. |
| D.His professor looked forward to seeing all his students finish their drawings. |
| A.Real stars | B.His own eye |
| C.Something unknown | D.Milk |
| A.Realistic | B.Romantic |
| C.Serious | D.Humorous |