30. --- Mrs. Smith, please teach me how to draw on the puter today.
--- Oh, no. . You have to get familiar with the keyboard first.
A. It is never too old to learn
B. Think twice before you do
C. Learn to walk before you run
D. One today is worth two tomorrows
网友回答
A. It is never too old to learn
B. Think twice before you do
(答案→)C. Learn to walk before you run
D. One today is worth two tomorrows
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