--- Where ___________ your pen pals from?    --- The United States.
#41959
A
does
B
do
C
is
D
are
推荐题目
—Why _________Beijing Duck?—Good idea. Let’s go.  
#41767
A
not eat  
B
don’t eat
C
don’t you to eat
D
not to eat
    TV at that time?
#39549
A
Did you watch
B
Have you watched
C
Were you watching
D
Are you watching
Do you know what__________ before you __________?
#38432
A
was happened; came
B
is happening; come
C
had happened; came
D
happened; had come