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Grammar Appendix 7-8
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The stairs leading to the top of the floor is blocked.
Incorrect
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Okay!
The new window of our house has been installed.
Correct
Oops!
Okay!
I believe that most of your reasons was convincing.
Incorrect
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Okay!
The teachers from school provide relevant information.
Correct
Oops!
Okay!
Some of the rooms was empty.
Incorrect
Oops!
Okay!
The reports written by the students contains some mistakes.
Incorrect
Oops!
Okay!
The noises coming from outside were scary.
Correct
Oops!
Okay!
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