下列不属于器官的是[ ]
A.玉米粒
B.心脏
C.血液
D.叶
答案:C
There's a man at the reception desk who seems very angry and I think he means _____ trouble.
A.making
B.to make
C.to have made
D.having made
土壤通气条件,与烟草()生长关系最为密切。