1). Are, a2). Is, Too3). Are, Too4). Has been, of

1.	1). Are, a2). Is, Too3). Are, Too4). Has been, of
Answer» The CORRECT verb here must be 'is' as NOUNS EXPRESSING periods of time are considered singular. The correct word for the second blank is 'too' to signify the intensity of the time. Thus 2 is the correct ANSWER.

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