Where is your mother? She_____________ Shanghai on business for a few days..
#52209
A
has been to
B
has gone to
C
went to
D
has been in
推荐题目
Why not _______a taxi to go home? 
#62171
A
taking
B
take
C
does take
D
to take
Look! They        soccer        the playground.
#53311
A
play; on
B
are playing; in
C
playing; in
D
are playing; on