Mary’spronunciationismuchbetterthan__________inherclass.
履行國際間雙邊或多邊貿易協議的基礎是實行()。
--CanIspeaktoMrSmith,please?
--_________.Heisgivingatalkatameeting.
Mr.Smithisingoodhealthnowforitisquitealongtimesincehe__________.
Generally,theweatherinBritainis_____toocoldinwinter_____toohotinsummer.