Inthatschool,Englishiscompulsoryforallstudents,butFrenchandRussianare_________.

China'simageisimprovingsteadily,withmorecountries__________itsroleininternationalaffairs.

-----Tommyisplanningtobuyacar.

----Iknow.Bynextmonth,he__enoughforausedone

Anearlytypewriterproducedlettersquicklyandneatly;thetypist,_____couldn'tseehisworkonhismachine.

Mr.Smithgradually_____aknowledgeofthesubject.