---There is a book ________ on the ground.
---Let’s ________ and ask who lost it.
| A．lies, pick it our | B．lying, pick it up | C．to lie, pick up | D．lying,pick out it |
--Attention please, everybody! Please ________. Mr Green will begin his report at once.
| A．take a walk | B．take place |
| C．take part | D．take a seat |
-- Is this i-phone _________?
--No, it isn’t. I am just thinking of buying________.
| A．your, it | B．your, one |
| C．yours, it | D．yours, one |
The heavy rain stopped the tourists________climbing down the hill.
| A．in | B．by | C．from | D．to |
This is such________useful book that I have learned a lot from it.
| A．a | B．an | C．the | D．/ |
—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