( ) is it that metals plays such an important part in our daily l_其他解答

( ) is it that metals plays such an important part in our daily life?Awhy Bwhat Cwhere Dwhen.为什么?
为什么选A?C或者D？那如果说金属什么时候开始在我们生活占有重要的作用？

人气：392 ℃　时间：2019-10-30 15:27:13

解答

后面的is is that是强调句型的标志,把它去掉,就变成metals plays such an important part in our daily life,你再看该填哪个,只有A意思对的
你要问什么时候时态就要用过去式了