________necessary ________us_________exercise every day to keep healthy.请大伙帮我看看填什么单词,没有前后句,就这一句话如果填It’s necessary for us to 的话,后面应是do exercise,到底该填什么,我也给弄糊涂了
问题描述:
________necessary ________us_________exercise every day to keep healthy.
请大伙帮我看看填什么单词,没有前后句,就这一句话
如果填It’s necessary for us to 的话,后面应是do exercise,到底该填什么,我也给弄糊涂了
答
it's
for
to