用英语解释下列句子 1.Why don't you pump the bike?2.Saving water is very im_英语解答

用英语解释下列句子 1.Why don't you pump the bike?2.Saving water is very important.
3.It took me 5 years to learnEnglish.
4.We can't live without water.
5.I didn't go to bed until he came back.

人气：270 ℃　时间：2019-11-06 00:13:09

解答

Tell me the reason that you don't ride a bicycle.
We should not waste water.
I use 5 years to study English
Our lives need water.
He came back ,then I went to bed.