clean up ______
举一反三
- It is high time the hotel _______ this bedroom since it's in such a mess. A: clean up B: cleaned up C: cleans up D: must clean up
- clean up this mess
- More and more foreigners want to ________their companies in China． A: open up B: look up C: clean up D: pick up
- Experts are trying to _________ ways to clean up the huge slick.
- We _________(do clean) up our classroom a moment ago.