中科新闻网双翘滑板动作名称:Drills(练习）
来源：百度文库 编辑：中科新闻网 时间：2024/05/03 05:05:10
(1)Our boat went---the lridge.
(2)There's a bridge---the river.
(3)Be careful when you go---the street because cars and buses go ---the street very fast.
(4)The birds are flying---the tree.May be they can see their young birds in the tree---.
(2)There's a bridge---the river.
(3)Be careful when you go---the street because cars and buses go ---the street very fast.
(4)The birds are flying---the tree.May be they can see their young birds in the tree---.
(2) over
(3) across