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

Idon’t know the man _______ is looking after the old woman.

We’re just trying to reach a point____ both sides will sit down together and talk.

foreign(外国) friends come to visit China every year.

If we continue to destroy and waste the natural resources like this, we will ______it sooner or later.

What happened last night—There was a fire in the hotel. Luckily, it was soon ________.