21. We’ve had a good start, but next, more work needs _____ to achieve the final success.(A)being do

問題詳情

21. We’ve had a good start, but next, more work needs _____ to achieve the final success.
(A)being done
(B)do
(C)to be done
(D) to do

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)