— Mrs.Smith,please teach me how to draw on the computer today.—Oh,no. ____.You have to get familiar with the keyboard first.
#94646
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
推荐题目
 I didn’t manage to do it _____ you had explained how.
#94719
A
until
B
unless
C
when
D
before
The new bridge is ______ the one built last year. 
#92356
A
three times width of
B
three times that of
C
three times the width
D
three times the width of