To children, good habits do not come        , so parents and teachers need to be their role models.

.Computers and mobile phones, playgh they are indeed making our life________and more________have reduced the need for face-to-face cotyr unication.

—Mr．Wang was caught in a snowstorm yesterday．—I have known that, and ______ his new car was completely destroyed．

I must go now. _____, if you want that book I'll bring it next time.

—Haven’t you seen the speed limit sign? Please drive     .—Sorry,but I have to.