______isrecognizedasthenationalflag-carrier.
A、Theprivateairline
B、Thepublicairline
C、Thecharteredairline
D、jetairline
______,weareairmailingyouourlatestquotation-sheet.
A、Asrequest
B、Atrequest
C、Asrequested
D、Atrequested
Thegirlwasluckyenoughto_______thebadmenandranaway.
A、breakaway
B、breakawayfrom
C、breakout
D、breakinto
NeitherEnglishnorChinese________difficulttolearn.
A、has
B、have
C、is
D、are
Scientistsdoubtwhetherit’s________toregulateone’sbiologicalclockbydrinking.
A、feasible
B、incredible
C、fashionable
D、valuable