Help?

This is conpletely off topic of Math

Nevertheless, I like a challenge

1.A

2.A

3.S

4.S

5. A

6. A

7.S

8.S

9.S

10. A

1. biased, impartial   A

2. obnoxious, pleasant  A

3. reply, retort  S

4. intimidate, scare  S

5. candid, devious  A

6. decrease, intensify  A

7.  habit-forming, addictive S

8. enroll, register   S

9. stint, limit  S

10. fluster, confuse  S