摘要：12．Do you know the difficulty he had the work? A. on finishing B. to finish C. finishing D. having finished
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Do you know the difficulty he had _______the work?
A. on finishing B. to finish C. finishing D. finished
查看习题详情和答案>>Do you know the difficulty he had ________ the work?
[ ]
A．on finishing
B．to finish
C．finishing
D．finished
Do you know the difficulty he had ________ the work?
[ ]
A．on finishing
B．to finish
C．finishing
D．having finished