Which word is closer to the given word?

1.climb ~

• go down  

• go up

• go wrong

• go right

2.confuse ~

• get it right 

• make a mistake

• think carefully

• quit

3.depend ~

•   need

• try

• say

• note

4.economy ~

• food 

• money

• time

• waste

5.effective ~

• useful

• useless

• using

• used

  6.imagine

• speak 

• think

• type

• note

7.improve ~

• better

•   worse

• longer

• shorter

8.in sum ~

• long

•   short

• small

• big

9.recognize

• know

•   not know

• hate

• like

10.therefore ~

• but

• so

• and

• or