Nick is ______ busy ______ he has no time to have a meal with his family.

Could you please teach me to give out “Red envelope”(红包) on WeChat -Sure. Let me show you.

_______nearly all behavior is learned behavior is a basic assumption ________has been put forward by the social scientists.

依次填入下面横线处的句子，使前后句子衔接自然的一项是( )余光中的散文世界里，____①____，徐疾多致的节奏代替了平铺直叙的语序，____②____，幽默风趣的妙语代替了装腔作势的教训。

With more about the way _________.