1.--The new machine ____last month is very popular now.(正解：invented,错解：was invented)
问题描述：
1.--The new machine ____last month is very popular now.(正解：invented,错解：was invented)
2.Can I go out to play after my homework ____?(正解：was finished 错解：is finished)
3.The song____by Jay Chou is very popular with young people.(正：sung,错：sang)
4.-Why not ask your father for help?
-He is not at home.If he___,I____.(正：were,would错：is will)
5Could you please ask George if he___to plant trees with us?(正：will go错：went)
答
1正解是过去分词 作定语 错 解 是谓语形式 本句已经有谓语如果 用谓语形式 句子应是 The new machine was invented last month ,which is very popular now 2你的正解是错的 错解是对的答案应该是 一般现在时 主句是...