When the speaker entered the hall, all the listeners_____. A. had seated B. were seated C. seated D. were seating
A.A
B.B
C.C
D.D
正确答案是B
When the speaker entered the hall, all the listeners_____. A. had seated B. were seated C. seated D. were seating
A.A
B.B
C.C
D.D
正确答案是B