23. It _____ for three days, and we still don’t know when it will stop.
(A) will be rained
(B) was raining
(C) has been rained
(D) has been raining
(E) is being raining
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統計: A(2), B(0), C(16), D(96), E(1) #2349768
統計: A(2), B(0), C(16), D(96), E(1) #2349768