——Who watered the flowers beside the window? ——Helen ____________.
#39452
A
Did
B
Do
C
did
D
does
推荐题目
I have _______used to ________with chopsticks for almost one year. 
#39913
A
got, eating
B
been, eating
C
got, to eat
D
been, to eat
—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
–What’s your father doing now? –He ______ the room
#42818
A
cleaned
B
cleans
C
has cleaned
D
is cleaning