试题题干
Fill in the blanks with the words given in brackets. Make changes or add something where necessary.
The vase 
(sit) dangerously over the edge of the balcony.
参考答案
试题解析
本题考查动词的时态。花瓶在阳台边缘应该是一个瞬时动作，所以是现在进行时。
Fill in the blanks with the words given in brackets. Make changes or add something where necessary.
The vase (sit) dangerously over the edge of the balcony.
本题考查动词的时态。花瓶在阳台边缘应该是一个瞬时动作，所以是现在进行时。