II. Vocabulary and Phrases 10% 每題1分,共10題。【題組】16. Don’t throw away the plastic bag. It will be ____ i
問題詳情
II. Vocabulary and Phrases 10% 每題1分,共10題。 【題組】16. Don’t throw away the plastic bag. It will be ____ in the future. (A) primary (B) silly (C) skillful (D) useful