单项选择题
You can never imagine what great trouble I have had () the patient who received a serious wound
A. treat B. to treat C. treating D. treated
单项选择题 There aren’t many wild pandas ()in the world today.
单项选择题 It’s a pity that some of the people（）cannot come to the party.
单项选择题 No sooner had she got home() she tried on her new coat.
