Seeing a stranger with a knife in his hand, the little girl stood under the tree, ________ out of her mind.
A:frightened
B:be frightened
C:to be frightened
D:frightening
如图,身高1.6m的小丽用一个两锐角分别为30°和60°的三角尺测量一棵树的高度,已知她与树之间的距离为6m,那么这棵树高为(其中小丽眼睛距离地面高度近似为身高)____m.
听第三段对话,回答小题。
How much is one tea set with eight cups?