More than two _______years ago, people knewlittle about the universe.

I follow my own opinion, not hers in questions of this kind,of course makes her unhappy.

根据语境选出最恰当的一项(　　)崖壁下有几处坟地，坟前立着的石碑许多已经破碎，字迹模糊，枯水季节，伏在江里的石头已经露出水面，周围一片寂静。________________。

28. Listen, Mike. She_________have done it. She’s been with me at the shop all day.

With a report _____ about the accident, the policemanhas to find some witnesses for help.