His writing is so confusing that it’s difficult to make out _____it is he is trying to express.
7. In a word, I don’t think what you said at all.
6. He is quite sure that it’s impossible for him to finish the task within two days.
5. China has made great progress in the sun’s rays as a source of energy.
4. Have you heard of the town when they built the dam?
3. The power station we visited half the province’s energy.