Howmanypartsdoesascienceandtechnologypaperconsistof?Whatarethey?
_______thatthescientistwillgiveusatalknextmonth?
句子写作:TodayatschoolMrMoorebroughtinhispetrabbit.Heshowedittotheclass.
Itisvitalthatthework_______intime.
CharlesSmith,______wasmyformerteacher,retiredlastyear.