For how many hours is the art exhibition open（）
A: Eight hours.
B: Seven hours.
C: Nine hours.
D: Ten hours.
A: Eight hours.
B: Seven hours.
C: Nine hours.
D: Ten hours.
举一反三
- 7. How many hours a day of sleep does the doctor recommend? A: Six or seven hours B: Nine or ten hours. C: Four or five hours.
- How many hours does the woman work every day except the break A: Seven hours. B: Eight hours. C: Nine hours. D: Six hours.
- How many hours does his father work on Saturdays A: Five hours. B: Six hours. C: Seven hours. D: Two hours.
- Questions 4-8 What’s the difference of the time zone between New York and Paris？（） A: Six hours: B: Seven hours. C: Eight hours. D: Nine hours.
- How many hours can international students work during school breaks? A: Twenty hours B: More than twenty hours. C: Thirty hours. D: Not mentioned