He           to Dongying many times, so he knows every corner of it.
#42714
A
went
B
will go
C
has gone
D
has been
推荐题目
 We ___________ for a long time. Shall we play for a while?
#38820
A
study
B
Studied
C
have studied
D
are studying
When we hurried to the meeting room, the meeting _______.
#39527
A
had begun
B
had been on
C
has begun
D
has been on