构词(词缀)练习。 Directions: Add –al / -ial, -cy, or -y to or remove them from the following words to form new words. 给下面单词加上或者去掉词缀。 1. -al / -ial manager ➝ 1) ________ editor ➝ 2) ________ substantial ➝ 3) ________ survive ➝ 4) ________ traditional ➝ 5) ________ marginal ➝ 6) ________ 2. -cy consistent ➝ 7) ________ accurate ➝ 8) ________ efficiency ➝ 9) ________ 3. -y recover ➝ 10) ________ minister ➝ 11) ________ assemble ➝ 12) ________