We have to _______ ________ (保持), or we’ll be left behind.
举一反三
- 中国大学MOOC: We have to catch the _________ now or we will be left behind in the future.
- We have to catch the _________ now or we will be left behind in the future. A: tide B: fashion C: wave D: style
- We have to catch the _________ now or we will be left behind in the future. A: tide B: fashion C: wave D: style
- I think we have still _______ many other countries’ capitals in pollution control. The coming 2008 Olympic Games is a wonderful opportunity to address this problem. We should not let it _______. A: lagged behind; slip by B: left behind; slip by C: been left behind; slip through D: been lagged behind; slip away
- If we ______ earlier, we would not have missed the bus. A: left B: have left C: had left D: would have left