1. 春天到了，该种树了。
    Spring is coming. ____________________ plant trees.
2. 虽然交通堵塞会使我开车开得很慢，但我仍然希望拥有一辆自己的爱车。
    Although traffic jams would stop me ____________________, I'd still like to have my own car.
3. 调查显示，一半以上的学生每周上网四个小时。
    A survey shows that more than half of the school students ____________________ the Internet.
4. 西方国家的孩子通常在圣诞节前夕准备许多礼物。
    Kids in the West usually ____________________ as many gifts as possible before Christmas.
5. 昨天晚上的骚扰电话使他非常生气，他一晚上根本无法入睡。
    Crank calls made him ________________________________________ last night.