China ______ the WTO for more than 10 years, and it has brought great changes to it.
#41666
A
has joined
B
has been in
C
has become a member of
D
has joined in
推荐题目
 His sister___________ her hometown for two years. She’ll return next year.
#42514
A
has been away
B
has left
C
has been away from
D
left
My uncle’s plane ____. Let’s wait for him here. 
#42041
A
hasn’t arrived
B
didn’t arrive
C
doesn’t arrive
D
couldn’t arrive
—Where is Jim? —He            home since last week.
#37437
A
has left
B
has gone away from
C
left
D
has been away from