Exercise 1. Mark the letter A, B, C, or D to indicate the correct to each of the following questions. 1. A correction pen is used for ____ your writing mistakes. A. cover B. covered C. covering D. to cover 2. It's no good ____ him the truth now. A. not to tell B. tell C. telling D. to tell 3. It's important ____ too much about your failure. A. not to worry B. not worry C. not worrying to D. don’t worry 4. Don’t forget ____ your homework before coming to class. A. doing B. having done C. to be done D. to do 5. Did you remember ____ Mr. Green my message? A. be given B. giving C. have given D. to give

1. A correction pen is used for ____ your writing mistakes.

A. cover     B. covered       C. covering          D. to cover

2. It's no good ____ him the truth now.

A. not to tell          B. tell          C. telling           D. to tell

3. It's important ____ too much about your failure.

A. not to worry          B. not worry        C. not worrying to          D. don’t worry

4. Don’t forget ____ your homework before coming to class.

A. doing            B. having done       C. to be done         D. to do

5. Did you remember ____ Mr. Green my message?

A. be given           B. giving         C. have given         D. to give

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