3.After the final exam, I will have a ________ vacation in Hainan.
A. 5 day
B. 5-day
C. 5 days
D. 5-days
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4.Let’s go on foot. It’s ______ walk from here to the cinema.
A. a twenty minute
B. a twenty-minutes
C. a twenty-minute’s
D. a twenty-minute
5.After the _____ working, we have finished ______ of the whole work.
A. four-hour; three-fourthes
B. four-hour; three-fourths
C. four-hours; three-fourthes
D. four-hours; three-fourths
6.I hear we will have a ____ holiday in _______. I’m so excited.
A. three day’s; a week’s time
B. three-day; a weeks’ time
C. three-day; a week’s time
D. three days; a week
7.“Background” is a compound word. Which of the following is formed in the same way?
A. basketball
B. careless
C. unlucky
Discovery