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
A: lagged behind; slip by
B: left behind; slip by
C: been left behind; slip through
D: been lagged behind; slip away
举一反三
- In "Left Behind", what is the order the author organized her passage? A: Things left behind→memories left behind→love left behind B: Memories left behind→things left behind→love left behind C: Love left behind→memories left behind→things left behind D: Love left behind→things left behind→memories left behind
- We should not let the day _________ without doing anything at all. A: slip away B: slipping away C: slipped away
- 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