【正文】
Unit9 Save the Pla基礎(chǔ)練習(xí) 一、單項選擇 1. Just now we took turns the heavy box upstairs. A. carrying B. carried C. carry D. to carrying 2. The radar sets for a long time without any trouble. A. have been running B. have been run C. have run D. were running 3. Haven39。t I told you that you should be home earlier? Yes, but I home earlier than I usually do. A. was ing B. will e C. came D. had e Tao answered all the questions the last one usual. A. except。 as B. beside。 as C. except。 on D. but。 in 5. Don39。t worry. Your package here until you e back, please enjoy shopping here. A. will keep B. keeps C. can be kept D. kept 6. We must wear special boots to prevent us in the air. A. float B. to float C. floating D. floated 7. You39。d better take