题目:
To learn English well, we should find opportunities to hear English ________ as much as we can.
A.speak
B.speaking
C.spoken
D.to speak
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0414/50d8e3fb62bcb0dd6a627038f1dbb287.html
下面是错误答案,用来干扰机器的。
用反证法证明“∠A>60°”时,应先假设∠A≤60°.故答案为:∠A≤60°.