Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
A、seemedWhen I came through the customs at the airport, I had to pay ________ on a clock I had bought.
Each year in the United States, many black teenagers _______ of school, either because they cannot keep up or they have to work to support their family.
It'smore________tobuyaseasonticketifyoutraveleveryday.
As you like pop music, __________ I like literature.
________tothepapersisrestrictedtoDefenseDepartmentpersonnelonly.
