问题
选择题
—Enough sleep is good for teenagers.
—Quite right. If you ________ for your favorite TV programs, you will feel sleepy. [ ]
A. set up
B. cheer up
C. pick up
D. stay up
答案
答案：D
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—Enough sleep is good for teenagers.
—Quite right. If you ________ for your favorite TV programs, you will feel sleepy. [ ]
A. set up
B. cheer up
C. pick up
D. stay up
答案：D