Do you know _____? A. When will he be back B. when he will be back C.where did he go D. when will he go
A.A
B.B
C.C
D.D
正确答案是B
Do you know _____? A. When will he be back B. when he will be back C.where did he go D. when will he go
A.A
B.B
C.C
D.D
正确答案是B