—Middle school students don’t know much about shopping online，______they？
—__________ . It’s very popular with teenagers .
A. do，No，they don’t
B. do，Yes，they do
C. don’t，No，they don’t
--- Mary knows so much about ______earth!
---Yes, although she is only ____eight- year-old girl.
| A．an; a | B．the; an | C．the; a | D．an; an |
--Could you please tell me ________?
--Sure. Only ten minutes' walk.
A. how soon he will be back
B. how long have you been here
C. how far it is from the park
--The cases look very heavy. Let me help you.
--_____ , I'm quite out of breath.
A. No, thank you. B. It's very kind of you. C. No, I can manage it.
--Don't open the door, _______who knocks on it.
--No problem, mom. You've told me many times.
A. even though B. no matter C. instead of
The Flower Show _______is in Makou of Zhangpu welcomes the visitors both from China and abroad.
A. that B. where C. who