We all know that the plan is divided into three parts. （翻译)

We all know that it is very hard to ______ him to give his plan up.A．endeavorB．reduceC．ass

Antarctic _____ we know very little is covered with thick ice all the year round. A．which B．that C．w

Laziness is a sin: evervone knows that. We have probably all had lectures pointing out tha

All we know about the origin of language is that men, unlike animals, ______ invented cert

We all know that DNA has the ability to identify individuals but because it is inherited

We all know that the normal human daily cycle of activity is of some 7-8 hours sleep alte