--- I haven’t seen Mary recently. And you?
--- Me neither. I’m afraid she _________ to her experiment for too long a time.
A.is devoting | B.was devoted | C.has been devoting | D.has been devoted |
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--- I haven’t seen Mary recently. And you?
--- Me neither. I’m afraid she _________ to her experiment for too long a time.
A.is devoting | B.was devoted | C.has been devoting | D.has been devoted |