— Could you tell us ___________？
— Sometimes，if I have time．
A：how long you play computer games
B：how often you go to the park
C：how soon you will see a film
D：how much time you spend on homework every day
阅读下列短文,回答下列问题
液态氮
某高速公路发生一起车祸，现场周围“寒气”逼人，车厢挂起冰柱，地面结了厚厚一层冰．原来是一辆满载液态氮的大货车发生事故。导致氮气泄漏。罐车尾部不断冒出“白烟”，并且越来越大，车尾部开始结冰，车厢下端已经有大约10cm长的冰柱，而液体刚滴到地面上就开始凝固。据介绍，氮气具有快速制冷的效果，如果有足够多的氮，可以在很短的时间内将周围气温降低到零下50℃，情况比较危险…
—I'm going to the party on foot.
—If you do, you'll be ___________. The party will start soon.
Hurry up, Frank. We might get_______ on the way to the airport.
