Question

She _____(look) very worried for the past few days.
(a)is looking
(b)looks
(c)had been looking
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Answer 1

Explanation:

is looking

hope it will help

Answer 2

Answer:

She _____(look) very worried for the past few days.

actually all the three options are wrong. check if any more option is there i.e. has been looking.

Of these correct answer would be: looks according to me