中东所产的石油大部分运往西欧、美国和___________等地。
日本
如果x2+x-1=0，那么代数式2x2+2x-6的值为（ ）
A．4
B．5
C．-4
D．-5
See the flags on top of the building? That was ____ we did this morning.
[ ]
A. when
B. which
C. where
D. what
