Ourpaymentterms(付款方式)are___,irrevocableletterofcreditforthefullinvoicevalue.()

Itissurprisingthatthisinnocent-lookinggirl________________(commit)suchacrime.

——Wehavetostoptalkinghereoutside.Listen,_______!——Hurryup,orwe’llbelate

Thereisalwaysareadymarket____SewingMachines,providedtheyare___goodqualityandcompetitiveinprice.

Thesyntacticrulesofanylanguageare______innumber.