What should we pay more attention to if we go north in winter, Mum?—Nothing muchTake warm clothes_____ the weather is cold

依次填入下列各句横线处的成语，最恰当的一组是（ ）①他是一个心地善良的人，但性格懦弱、谨小慎微，做起事来总是 ，从来不敢越雷也一步。②当今世界科技突飞猛进，我们更要勇于开拓，不断进取，如果 ，就会落后甚至被时代潮流所淘汰。③想让中国传统戏曲焕发出新的生命力，决不能满足于现状， ，唯有创新才是弘扬戏曲文化的康庄大道。

was first known by many for Red Sorghum, which________ into a famous film by director Zhang Yimou in I987

late,for there is too much traffic on my way to school.—Oh, ______.Don’t lie!

What do you do as a volunteer in North Africa—__________! There are many poor people who need a lot of help.