—Which would you prefer,orange juice or coffee?—Either________ OK,but I prefer coffee________milk.
--Attention please, everybody! Please ________. Mr Green will begin his report at once.
-- Is this i-phone _________? --No, it isn’t. I am just thinking of buying________.
The heavy rain stopped the tourists________climbing down the hill.
This is such________useful book that I have learned a lot from it.
—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