Error (Infinitive, gerund & participles)

Tell your son ____ lazy.

• don't be
• not to be

The teacher decided ____ the test.

• postponing
• to postpone

I have to avoid ____ my creditor.

• to see
• seeing

You had better ___ the table.

• to clean up
• clean up

He had better not _____ his boss.

• to confront
• confront

Mother suggested me ____ a computer course.

• to take
• taking

I can't help but ____ upset.

• feeling
• feel

I can’t help ___ disappointed.

• feeling
• feel

Why not ____ a party?

• to throw
• throw

This bed is comfortable to ___.

• lie
• lie on