Do you know the diffculty he had ____the work.

Do you know the diffculty he had ____the work. Do you know the difficulty he had finishing the work do you know the difficulty he had________the work(finishing) 紧急:Do you know the difficulty he had____the work?为什么选Finishi Do you know his difficulty he had ____ his family? do you know the l___boy do you know the m____in black work h "Did you know if he has\had finish his work?"一句中应是if he has还 Do you know the man____ a blue uniform ____the second photo Do you know the girl with ____father i work do you know the trouble i have____the work? Do you know ____the Olympic Games are held? when ____the telephone ______,do you know?-----Yes,In 1876