问题

_____ the government recovers the vehicle purchase taxand the oil prices go up continuously, the sales of the vehicle in China arestill increasing every year.

A:When
B:Once
C:Since
D:While

正确答案是：

同类题型

Jerry was playing football and Tom was playing volleyball [ ]

raffic in the city was ____ today,so Mary got home earlier than usual

is smalltemple on the island, which can only be reached by water

I don’t suppose Tom has told you the news, _______?

___ from space, the earth with water ___70％ of its surface looks like a “blue blanket”.