We must cut down on the amount of material we use.
举一反三
- When we build the slide structure, what should we do?? We should write down complete sentences.|We should write down all the details.|We should use key words and phrases only.|We should use long paragraphs.
- The main idea of this passage is _______________. A: that we must use different ways at different situations B: that we must speak loudly C: that we must keep silent at any time D: that we must talk with the class
- We must not use a nickname as signature in wrtiing a message.
- What we do if the company cut down on ads？（） A: could B: will C: shall
- We use a browser to get to the vast amount of information on the World Wide Web.