18 | Sahara/ the world's/ big/ desert. |
| A. Sahara is the world's bigger desert. | B. Sahara is the world's biggest desert. |
| C. Sahara is the world's biggest dessert. | D. Sahara the world's biggest desert. |
19 | Your car/ very beautiful/ but/ expensive. |
| A. Your car is very beautiful but it's expensively. |
| B. Your car is very beautifully but it's expensive. |
| C. Your car is very beautiful but it's expensive. |
| D. Your car very beautiful but it's expensive. |
20 | Mount Everest/ high/ than/ mountains/ the world. |
| A. Mount Everest is higher than any mountains in the world. |
| B. Mount Everest is higher then any mountains in the world. |
| C. Mount Everest is highest than any mountains in the world. |
| D. Mount Everest is higher than any mountains of the world. |
1.B
2. C
3.D
1.B
2.C
3.D