fill in the blank spaces in the following sentences making use of the best of the five options :
.... Several bad air-crashes recently.
a
There is
b
They are
c
There were
d
There have been
e
There are
Explanation
Correct Option
dNo explanation available
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Deepthinker581
4 years ago
*They are experiencing bad air crash as we speak
* There have been several bad air crashes recently
*They were having bad several crashes recently

