单项选择题
A．看到影星经过时，他们还在等待。 B．他们在等待影星经过的场景。 C．他们在等待，想让影星经过的时候看一下。 D．他们在等候观看影星经过那儿。
A．large, high buildings built in the downtown area B．large, low buildings built around city centers C．small, high buildings built on the outskirts D．small, low buildings built along highways outside the city
A．large enough rooms for big families B．place for cars to park in C．sufficient ground rooms D．quiet and convenient units