It is not until recently ______ there are many different kinds of hearing defect

游客2023-11-20 40

问题 It is not until recently ______ there are many different kinds of hearing defects.

选项 A、have the scientists discovered
B、the scientists have discovered
C、that the scientists have discovered
D、that will the scientist have discovered

答案 C

解析本句是强调句式，所以原本由于否定词在句首需要主谓颠倒的句式，在强调句里就不需要再颠倒了。

转载请注明原文地址:https://tihaiku.com/zcyy/3204580.html

相关试题推荐

随机试题

最新回复(0)

WhatdidHelenrecentlypass?[originaltext]M:Hi,Helen.Howdidyourdrivingt