She had no money ________ a birthday present for her children.
A:to buy with
B:buying
C:bought
D:with which to buy
在一定的空间范围内,与____所形成的统一的整体叫做____.
①把美洲的金银和工业原料运回欧洲 ②把非洲黑奴卖给美洲种植园主 ③从欧洲出发,乘船到非洲 ④在非洲通过各种卑鄙手段捕获黑人运往美洲