Choose the best word or phrase to fill each blank.
(41)I think Joey must .........late tonight. His office lights is on.
a) have worked
b) work
c) be working
d) to work
(40) I like your hair. Where ...........?
a) do you have cut?
b) have you cut it?
c) do you have cut it?
d) do you have it cut?
(39) If I ..........him, I would have spoken to him, wouldn't I?
a) saw
b) had seen
c) have seen
d) would have seeb
(38) I am wondering ............tell me when the next plane from Chicago arrives?
a) could you
b) can you
c) if you would
d) if could you
(37) Harry ........his father's car when the accident happened.
a) was driving
b) drove
c) had driven
d) had been driving
(36) She likes .........expensive clothers.
a) wearing
b) to wearing
c) wear
d) is wearing
(34) Harry can .........English.
a) to speak
b) speaking
c) speak
d) speaks
(35) I'm not interested .......sports.
a) for
b) about
c) in
d) at
(16) Do you ............a uniform at your school?
a) carry
b) wear
c) use
d) hold

The best words or phrases to fill each blank are "be working", "do you have it cut", "had seen", "if you would", "was driving", "wearing", "speak", "in", "wear", respectively.

What do you mean by grammar?

Grammar is "the whole system and structure of a language or of languages in general, usually taken as consisting of syntax and morphology (including inflections) and sometimes also phonology and semantics".

All the abovementioned words or phrases are grammatically correct when filled in each sentence.

To learn more about grammar here

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