---Where’s your mother?   ---Oh, she ______ Shanghai on business. 
#44748
A
have been to
B
have gone to
C
has been to
D
has gone to
推荐题目
The little boy ____ by the big one this morning. 
#44873
A
made cry
B
was made cry
C
made to cry
D
was made to cry
--What happened in that store?-- A thief _____ by the policeman just now.
#44911
A
is caught
B
caught
C
has caught
D
was caught
You have to be 18 years before you _________ to drive a car.
#44890
A
are allowed
B
are
C
allowed
D
allow
Don’t stand up until you ____________.
#44883
A
tell to
B
are told
C
are told to
D
are told to do
Zhengzhou will be more and more convenient when Zhengzhou Subway_____ in two years.
#44912
A
is completed
B
will be completed
C
will complete
D
has completed