总数： 0 正确： 0 错误： 0

to invent or make something, such as a speech or a device , at the time when it is needed without already having planned it

A impervious√ (正确答案是：A)
B improvise√ (正确答案是：B)
C rend√ (正确答案是：C)
D conjure√ (正确答案是：D)