You return the book now. You can keep it till next week.
---Lucy doesn’t mind lending you her dictionary.---I think she doesn’t, but I ________do so. I’ve already borrowed one.
Some physics problems in this book are _________difficult for the students _________work out.
---I think students should have mobile phones to call their parents.---___________. They often use them to play games instead.
Traditionally, Chinese people _______ the Chinese characters Double Happiness and stick them onto walls or doors at the weddings.
There is no doubt ________ the Diaoyu Island is part of China's territory.