One of the requirements for a fire is that the material ____to its burning temperature.
A
【句意】形成火的条件之一是该材料能够被加热到燃烧的温度。
【难点】A)项requirement这个词和idea,suggestion等一样，要求从句里的谓语动词用(should)+动词原形。
Asthepressure____,theliquidrockisforcedupthroughchannelsintheresistantrocktotheearth’ssurface.
—Howdoyoulikethisdress?
—It’sbeautiful,anditfitsmewell._______Ilikeitverymuch.
Pollisanexampleofaseverelydisabledpersonwhohasbecome______atmanysurvivalskills.
____beforewedepartthedayaftertomorrow,weshouldhaveawonderfuldinnerparty.
Withonelegbrokeninthatcaraccident,hecannotevenwalk,____run.