Don’t use a speakerphone unless you're in your own office and remember to close the door if you do.
举一反三
- Don’t use abbreviations unless you’re quite sure your writer will understand them.
- Close the door after you, ____ you? A: don’t B: do C: shall D: will
- If you use your own words to paraphrase an idea from the source material, you don’t need to give citations.
- 【单选题】Don’t smoke in the office, ______? A. do you B. don’t you C. will you D. aren’t you
- If you don’t want to buy a kite, you can make your own————directions available in the book. A: using B: use C: to use D: used