Question

B) 根据句意和汉语注释，写出单词的正确形式。

1. As we know,oil always (漂浮) on water.

2. He (点头) to me in greeting when I entered the room.

3. We are very    （ 自豪) that a pupil from our school has won the prize.

4. They all hurried  (往楼上) to see what was going on.

5. There was  (沉默) for a moment and then someone made a useful suggestion.

Answer 1

B)

1. floats主语oil是不可数名词，谓语动词应使用第三人称单数形式， 用一般现在时表示日常生活中的现象。

2. nodded根据从句中的entered可判断主句应使用一般过去时。

3. proud be动词后用形容词。

4. upstairs upstairs在此处用作副词。

5. silence there be后面应该是名词作主语。