Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.
A、feasible
B、incredible
C、fashionable
D、valuable
A、rains
B、israining
C、hasrained
D、hasbeenraining
Ourpaymentterms(付款方式)are___,irrevocableletterofcreditforthefullinvoicevalue.()
A、confirmed
B、combined(联合)
C、committed
D、completed
Ifpaymentisnotreceived,legalactionwillbeouronly________.
A、aggression
B、advantage
C、alternative
D、ambition
We___youforthespecialofferyousendus.()
A、thank
B、appreciate
C、begrateful
D、beindebted