问题详情:
H5N1 Bird Flu can result in death unless left ________ in time.
A.treat B.to treat
C.treating D.treated
【回答】
D
知识点:非谓语动词
题型:选择题
问题详情:
H5N1 Bird Flu can result in death unless left ________ in time.
A.treat B.to treat
C.treating D.treated
【回答】
D
知识点:非谓语动词
题型:选择题