SinceWilliamhadbeenseriouslyillforseveralmonths,hisparentswereworriedabout________toreturntoschoolfull-time.
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
和平赎买的具体方式___________。
1949年党的七届二中全会提出“两个转变”同时并举的思想是指___________。
________,Johnhasbeentoseveralforeigncountries.
