____ they ____ a cow yesterday?
#39339
A
Did; milked
B
Did; milk
C
Do; milked
D
Do; milk
推荐题目
－What do you think of my answer to the questions?－Sorry. What’s that? I______ about something else.
#41834
A
thought
B
had thought
C
am thinking
D
was thinking
—Who is the baby in this photo?—It’s my sister’s son. The photo _____ by her by e-mail ten days ago.
#39468
A
sends
B
is sent
C
sent
D
was sent
---Why haven’t you asked her to come here?---She _______ an important experiment when I found her and she _____ it.
#41859
A
had done; didn’t finish
B
was doing; hasn’t finished
C
did; wouldn’t finish
D
has done; hadn’t finished
— What are your students doing now? — They football. Let's go and have a look.
#37032
A
are playing
B
will play
C
is playing
D
were playing
—Shall we go out for a walk?—Sorry, I can’t. I _______ my homework.
#42706
A
do
B
did
C
am doing
D
was doing