时态填空。

1. Toby _____ (win) a prize last term.

2. I _____ (see) some seals on the beach when I _____ (go) there last Wednesday.

3. _____ (be) there any sharks in the aquarium last year?

4.The Greens _____ (take) photos on the beach tomorrow.

5.Maria has a stomachache. She _____ (eat) too much just now.

题题干如下：在一个标有R、S、w、X、Y、z 6个国家的地图上，相邻的国家不能是相同的颜色。相邻国家如下描述：(1)R、S、x、Y与w相邻；(2)X与Y相邻；(3)R和S与Z相邻。

下列哪一对国家颜色可以相同

A．R和S

B．S和W

C．W和X

D．W和Y