当我们在等公交车时,我们应该排队等.We should ( ) up and ( ) when we wait ( ) a bus.
问题描述：
当我们在等公交车时,我们应该排队等.We should ( ) up and ( ) when we wait ( ) a bus.
答
line, queue, for
line up 排成一队
wait for 等待
答
当我们在等公交车时,我们应该排队等.We should (line ) up and ( wait) when we wait ( for) a bus.