【正文】
_____. b. Many people are______. Most cases of ________ can be cured or prevented. c. The doctor will _______on the patient. He will perform an__________. treat treatment blind blindness operate operation. v. + ment → n. adj. + ness → n. v. + ion → n. Read the tip: Sometimes , we need to change the ending of the verb / adjective before we add the suffix . happy –y + i +ness = happiness celebrate – e + ion = celebration invite –e + ation = invitation 寫出下列單詞的名詞形式 . 1. move ________________ 2. treat _________________ 3. develop ______________ 4. improve ______________ ________________