---Mrs. Smith, please teach me how to draw on the computer today.

   ---Oh, no. ____________. You have to get familiar with the keyboard first.

A. Think twice before you do       B. All things are difficult before they are easy

C. Learn to walk before you run     D. Don’t count your chickens before they are hatched

 --- Mrs. Smith, please teach me how to draw on the computer 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

--- Mrs. Smith, please teach me how to draw on the computer 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

---Mrs. Smith, please teach me how to draw on the computer today.

   ---Oh, no. ____________. You have to get familiar with the keyboard first.

A. Think twice before you do       B. All things are difficult before they are easy

C. Learn to walk before you run     D. Don’t count your chickens before they are hatched

30. --- Mrs. Smith, please teach me how to draw on the computer 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