慢性结膜炎病程超过()
A.3天
B.1周
C.2周
D.3周
E.4周
参考答案:D
With everything she needed ________, she went out of the shop, with her hands full of shopping bags.
A.buying
B.to buy
C.bought
D.buy
试述资本形成有哪些来源。