This answer could be C if not then D
Answer:
use the words you've learned regularly when you write and speak.
Explanation:
Vocabulary is simply the word stock that a person uses frequently.
There are many effective ways of expanding one's vocabulary which are writing down new words and looking up their meanings, reading new material, etc but the most effective way to expand vocabulary is to use the words you've learned regularly when you write and speak because this is the surest way to make sure that those words you learned become your core languages.
A-affix
1. A has the suffix ical
B tic
.c has ment
D does not have a suffix
E has ence.
2. The answer is root because it is not affix, not suffix or prefix
so it is root.
3. A because the prefix auto
D - In
4. it is again not suffix or prefix, or postscript so affix.
