22. The decommissioning project will ______ small teams working on a variety of tasks.
(A) involve
(B) to involve
(C) involving
(D) involved
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統計: A(91), B(9), C(23), D(11), E(0) #3887971
統計: A(91), B(9), C(23), D(11), E(0) #3887971