在不同情境下发展的海峡两岸文化,虽然具有不同的差异和特色,但是以同根同祖同文的亲情为纽带,存在着如两岸人民通用闽南语、共同供奉妈祖等割不断的深厚的历史文化渊源。这表明( )
I failed again in the exam and only then _____ how much time I had wasted.
—Mom. May I play computer games just for a while? —______ ! Dad is writing his paper.
—Does Shelly like shopping? —Well, she would rather spend time ______ at home than _______ in the street.
If you think there _____ huge quantities of oil for the use of drivers, you are wrong.
The chairman thought ______ necessary to invite Professor Smith to speak at the meeting.