_____ is no doubt ______ you have to remain seated and fasten your seatbelt before the plane lands.
A.There; whether | B.It; that | C.There; that | D.It; whether |
推荐套卷
_____ is no doubt ______ you have to remain seated and fasten your seatbelt before the plane lands.
A.There; whether | B.It; that | C.There; that | D.It; whether |