If payment is not received, legal action will be our only ________.
A、aggressionC
A挑衅、侵犯B优势、优点C选择、取舍D野心、抱负
Hesaidthatthegroup________himaletterandaskedhimtogothereforaninterview.
Childrenhaveanatural________abouttheworldaroundthem.
Ifyouarewalkingawayfromaclocktower，youwillhearthetickingoftheclockfadetoapoint________itcannotbeheard.
Thebasicunitinthestudyofmorphologyis______.
Alinguistictheoryisconstructedaboutwhat______isandhowitworks.
