你可能感兴趣的试题
a safe place across a road for pedestrians to walk across the road a wild animal from Africa that looks like a horse with broad dark brown and white stripes on its body a safe place across a road for zebras to walk across the road a safe place across a road for children to play a game
always; seldom always; sometimes usually; often sometimes; never
running across running out being run over being run out
was very busy though there was a new motorway was never very busy was always very busy and dangerous was very busy and dangerous before the construction of the new motorway
seldom always often usually
was very busy though there was a new motorway was never very busy was always very busy and dangerous was very busy and dangerous before the construction of the new motorway
was very busy though there was a new motorway was never very busy was always very busy and dangerous was very busy and dangerous before the construction of the new motorway