3. A
4. D
5. B
6. A
7. B
8. A
9. B
10. C
III. End the second sentence so that it has the same meaning as the first.
1. Take the test carefully or you may get poor marks.
If you get poor grades, it means you're not careful.
2. Please arrive early or you may not see us.
If you are late, you may not see us.
3. Hurry or we will miss the bus.
Failure on the exam is caused by missing the bus.
4. If you don't study hard, you may get poor grades.