Inthepastfewyearstho的精選

問題詳情：Inthepastfewyearsthousandsoffilms________allovertheworld.A．haveproduced B．havebeenproducedC．areproducing D．arebeingproduced【回答】B考查動詞的時態和語態。inthepastfewyears爲現在完成時的標誌，主語...