To be healthy, one must have at least _____ sleep every day.
#29564
A
eight hours
B
eight hour’s
C
eight-hour’s
D
eight hours’
推荐题目
--May I help you with some jeans, sir? -- Yes, I’d like to try on those blue ________.
#29313
A
pair
B
one
C
two
D
ones
There are three _________ sheep on the farm.
#29454
A
thousand
B
thousands
C
thousand of
D
thousands of