Have you heard of _______ death of Nelson Mandela —Yes. It is indeed _______ loss to the world.

, asmall advertisement held my attention, which read “Easy job Good wages Noexperience necessary”

依次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）初到江南，就碰上了梅雨季节。____________。__________，______；_______________；__________。__________。朦胧的墨绿中，清晰地闪着点点火红的花朵，宛如一阕厚重、平和的弦乐声中，跳出了一管清脆、欢跃的笛音，给这雨后阴沉的清晨，增添了不少生气。①空中还漂浮着若有若无的雨丝 ②清晨推窗望去，雨虽停了 ③但天顶上，浓云尚未散开，低低压着房檐 ④一夜枕上听雨，辗转不能成寐 ⑤院子中，一丛绿树被染得浓阴如墨 ⑥天地间弥漫着一层湿漉漉、静悄悄的青黛色雾霭

He is very busy. I don’t know if he _____or not tomorrow.

If we use new types of energy， they will produce little pollution. ______ they cost very little and never run out.