22. To facilitate our efficiency, management has purchased more than 50desktop computers, many of ________are to be installed in the accounting section.
(A) them
(B) it
(C) what
(D) which
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統計: A(36), B(5), C(7), D(19), E(0) #2717401
統計: A(36), B(5), C(7), D(19), E(0) #2717401