A:lied; lay
B:lay; laid
C:lied; had laid
D:lay; had laid
看图,选择合适的短语完成对话。
rainy weather fly kites an umbrella sunny days ride bikes
下面图1和图2分别宣传20世纪前期苏联、美国的某项措施。这两项措施的实施都( )
-- Of course. Let me show you the way.
万德的同学上学通常都比乌鲁木齐的小朋友要早,这是由于( )