______ is the weather like today ——It’s _____.

We are living in an age ____ many things are done on computer. [ ]

A recent study has come up with _____ unexpectedconclusion that ____ Africa elephants should be divided into two differentspecies.

24_____ is known to us all is that to work hard to achieve a goal is more important than only to have a goal

The experiment shows that proper amounts of exercise,if _____ regularly,can improve our health[ ]