--- Where ___________ your pen pals from?    --- The United States.
#41959
A
does
B
do
C
is
D
are
推荐题目
Thank you for ______________ me about it.
#40611
A
tell
B
to tell
C
telling
D
told
Great changes ______ in the city and a lot of buildings ______.
#42171
A
have taken place, have been set up
B
have been taken place, have been set up
C
were taken place, were set up
D
have taken place, set up