Question
25 Dec 2016

Simplified Chinese (China)
Question about English (US)

First/At first we had to improve all the oil we needed from foreign countries. Then we found the big oil field inDaqing. For a time we thought our energy problem had been solve last/at last

Answers
Read more comments

English (US)

Simplified Chinese (China)

Simplified Chinese (China)

English (US)
Share this question
Similar questions
Newest Questions
Recommended Questions
Topic Questions