Fill in the blanks with both, both of, either, either of, neither, neither of.
1I have invited ............... them.
Wrong!
Use "both of" before the object pronoun "them" to mean the two people together.
2I have invited them ............... .
Wrong!
Use "both" after an object pronoun, as in "them both".
3............... colors look good on you.
Wrong!
Use "Both" directly before a plural noun with no determiner.
4............... these essays are good.
Select 2 answers.
Wrong!
"Both" and "Both of" can come before a determiner such as "these" when we mean the two essays together.
5There were two colors, and I liked neither one. I didn't like ............... these colors.
Wrong!
Use "either of" before a determiner such as "these" when a negative sentence means not one and not the other.
6I can't decide which of these frocks to buy. I like ............... .
Wrong!
Use "both" to mean the two frocks together.
7Both laptops are good. You can take ............... .
Wrong!
Use "either" to mean any one of two possible choices.
8I have rejected both proposals; ............... the options seems feasible to me.
Wrong!
Use "Neither of" before "the options" to mean not one option and not the other.
9"Would you like tea or coffee?" "............... I don't mind."
Wrong!
Use "Either" to say that one choice or the other is acceptable.
10I haven't watched ............... these movies.
Wrong!
Use "either of" before a determiner such as "these" in a negative sentence about two movies.
11............... movie is good. I will not recommend either of them.
Wrong!
Use "Neither" before a singular noun to mean not one and not the other.
12............... my sisters are doctors.
Select 2 answers.
Wrong!
"Both" and "Both of" can come before "my sisters" to mean the two sisters together.
Done.
Score: 0/12
Answers
- I have invited both of them.
- I have invited them both .
- Both colors look good on you.
- Both / Both of these essays are good.
- There were two colors, and I liked neither one. I didn’t like either of these colors.
- I can’t decide which of these frocks to buy. I like both .
- Both laptops are good. You can take either .
- I have rejected both proposals; Neither of the options seems feasible to me.
- “Would you like tea or coffee?” “Either I don’t mind.”
- I haven’t watched either of these movies.
- Neither movie is good. I will not recommend either of them.
- Both / Both of my sisters are doctors.

