It’s difficult to ___ these old books for some of them ______ none of the classification.
A.look for; are belonging to | B.put up; belong |
C.sort out; belong to | D.pick up; are belonged to |
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It’s difficult to ___ these old books for some of them ______ none of the classification.
A.look for; are belonging to | B.put up; belong |
C.sort out; belong to | D.pick up; are belonged to |
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