If payment is not received, legal action will be our only ________.
C
A挑衅、侵犯B优势、优点C选择、取舍D野心、抱负
Thevolunteerswouldrathergobytrainthan________.
Hesaidthatthegroup________himaletterandaskedhimtogothereforaninterview.
Itisnotdecided________theconferencewillbeheld.
Linguistscanconcentrateonalltheaspectsoflanguageatonce.
Ifpaymentisnotreceived,legalactionwillbeouronly________.