27. In the absence ____ necessary exercise, he can get ill easily. So he is often absent ___ class.
A.for / in | B.of / for | C.of / from | D.with / from |
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27. In the absence ____ necessary exercise, he can get ill easily. So he is often absent ___ class.
A.for / in | B.of / for | C.of / from | D.with / from |